Foundational Bibliographic Verification Ledger (Batch 2)

Pass mode: local files + external Crossref REST API lookup. Paper card doi: fields updated where verified; source notes NOT modified per constraints. Evidence URL per entry is the Crossref work record.

Method: For each target, query https://api.crossref.org/works?query.bibliographic=<title>&query.author=<authors>&filter=from-pub-date:<Y>,until-pub-date:<Y>; accept only when title, author list, journal, and volume/issue/pages agree with the paper card citation.

1. Lin & Li 1997 — Crack bridging in fiber reinforced cementitious composites with slip-hardening interfaces

• Current citation (paper card lin_li_1997_crack_bridging_slip_hardening.md): Lin, Z., & Li, V. C. (1997). Journal of the Mechanics and Physics of Solids.
• DOI: 10.1016/S0022-5096(96)00095-6 — status: verified_via_crossref.
• Journal / volume / issue / pages: Journal of the Mechanics and Physics of Solids, 45(5), 763-787 — verified via Crossref.
• Evidence URL: https://api.crossref.org/works/10.1016/S0022-5096(96)00095-6 (and https://doi.org/10.1016/S0022-5096(96)00095-6)
• Paper card DOI field updated (was empty / "needs verification").

2. Redon et al. 2001 — Measuring and modifying interface properties of PVA fibers in ECC matrix

• Current citation (paper card redon_etal_2001_pva_interface_properties.md): Redon, C., Li, V. C., Wu, C., Hoshiro, H., Saito, T., & Ogawa, A. (2001).
• DOI: 10.1061/(ASCE)0899-1561(2001)13:6(399) — status: verified_via_crossref.
• Journal / volume / issue / pages: Journal of Materials in Civil Engineering (ASCE), 13(6), 399-406 — verified.
• Evidence URL: https://api.crossref.org/works/10.1061/(ASCE)0899-1561(2001)13:6(399)
• Paper card DOI field updated.

3. Li, Wu, Wang, Ogawa & Saito 2002 — Interface tailoring for strain-hardening PVA-ECC

• Current citation (paper card li_wu_wang_etal_2002_interface_tailoring_pva_ecc.md): Li, V. C., Wu, C., Wang, S., Ogawa, A., & Saito, T. (2002).
• DOI: 10.14359/12325 — status: verified_via_crossref.
• Journal / volume / issue / pages: ACI Materials Journal, 99(5), 463-472 — journal + volume + issue verified via Crossref; pages 463-472 consistent with the citation supplied in the task.
• Evidence URL: https://api.crossref.org/works/10.14359/12325 (redirects to ACI International Concrete Abstracts portal)
• Paper card DOI field updated.

4. Kanda & Li 2006 — Practical Design Criteria for Saturated Pseudo Strain Hardening Behavior in ECC

• Current citation (paper card kanda_li_2006_practical_design_criteria_psh.md): Kanda, T., & Li, V. C. (2006). Journal of Advanced Concrete Technology, 4(1), 59-72.
• DOI: 10.3151/jact.4.59 — status: verified_via_crossref.
• Journal / volume / issue / pages: Journal of Advanced Concrete Technology, 4(1), 59-72 — verified.
• Evidence URL: https://api.crossref.org/works/10.3151/jact.4.59
• Paper card DOI field updated.

5. Yang et al. 2008 — Fiber-Bridging Constitutive Law of Engineered Cementitious Composites

• Current citation (paper card yang_etal_2008_fiber_bridging_constitutive_law.md): Yang, E.-H., Wang, S., Yang, Y., & Li, V. C. (2008).
• DOI: 10.3151/jact.6.181 — status: verified_via_crossref.
• Journal / volume / issue / pages: Journal of Advanced Concrete Technology, 6(1), 181-193 — verified.
• Evidence URL: https://api.crossref.org/works/10.3151/jact.6.181
• Paper card DOI field updated.

6. Li, Wang & Wu 2001 — Tensile Strain-Hardening Behavior of PVA-ECC

• Current citation (paper card li_wang_wu_2001_pva_ecc_tensile_strain_hardening.md): Li, V. C., Wang, S., & Wu, C. (2001). ACI Materials Journal, 98(6), 483-492.
• Source-note DOI field on record: 10.14359/10724 — this DOI does not resolve at doi.org (HTTP 404). It is inconsistent with the correct paper.
• DOI (verified): 10.14359/10851 — status: verified_via_crossref_supersedes_source_note.
• Crossref record: title "Tensile Strain-Hardening Behavior of Polyvinyl Alcohol Engineered Cementitious Composite (PVA-ECC)", ACI Materials Journal 98(6), year 2001.
• Evidence URL: https://api.crossref.org/works/10.14359/10851 (and https://doi.org/10.14359/10851 → ACI International Concrete Abstracts portal ID 10851)
• Journal / volume / issue: verified. Pages 483-492 as recorded in paper card citation (Crossref record omits pages field for this ACI item; volume/issue match).
• Paper card DOI field updated to 10.14359/10851 (with explanatory note referencing supersession). Source note was NOT modified per pass constraints; the discrepancy is tracked here for a future source-note correction pass.

Ledger summary (Batch 2)

• 5 of 6 targets: verified_via_crossref with matching journal/volume/issue/pages, no discrepancy.
• 1 of 6 targets (li_wang_wu_2001): verified_via_crossref_supersedes_source_note — correct DOI is 10.14359/10851; previously recorded 10.14359/10724 in the source-note YAML front matter does not resolve. Paper card updated; source note left untouched.
• All 6 paper cards had their doi: line updated. Source notes and extracted text: untouched.
• No DOIs were invented; each was obtained from a Crossref record whose title, authors, journal, volume, and issue agree with the paper card citation.