Pith Number

pith:7PZQXBVK

pith:2021:7PZQXBVKIT7O5WL545WWIJYM7F

not attested not anchored not stored refs pending

Improving the Accessibility of Scientific Documents: Current State, User Needs, and a System Solution to Enhance Scientific PDF Accessibility for Blind and Low Vision Users

Bailey Kuehl, Chelsea Haupt, Daniel S. Weld, Evie Yu-Yen Cheng, Isabel Cachola, Jonathan Bragg, Linda Wagner, Lucy Lu Wang, Madeleine van Zuylen, Matt Latzke

arxiv:2105.00076 v1 · 2021-04-30 · cs.DL · cs.HC

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7PZQXBVKIT7O5WL545WWIJYM7F}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-05T02:36:33.694821Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fbf30b86aa44feeed97de76d64270cf96fbdf1e03ad502b704f38b795ef1d997

Aliases

arxiv: 2105.00076 · arxiv_version: 2105.00076v1 · doi: 10.48550/arxiv.2105.00076 · pith_short_12: 7PZQXBVKIT7O · pith_short_16: 7PZQXBVKIT7O5WL5 · pith_short_8: 7PZQXBVK

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/7PZQXBVKIT7O5WL545WWIJYM7F \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: fbf30b86aa44feeed97de76d64270cf96fbdf1e03ad502b704f38b795ef1d997

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "629de45ed10778f1458a60b7a917e63acddf44ba58220c6d1fda0c566b637eeb",
    "cross_cats_sorted": [
      "cs.HC"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DL",
    "submitted_at": "2021-04-30T20:31:38Z",
    "title_canon_sha256": "4e6f136cb5a73b0b085076532468dc35e1672d220846d2c5d0c50f81ff5c9be0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.00076",
    "kind": "arxiv",
    "version": 1
  }
}