Pith Number

pith:SUUWVGUL

pith:2026:SUUWVGUL3ABK4H4QEYQC5KVRY7

not attested not anchored not stored refs pending

Tooling for digital accessibility in mathematics: Quickly build compliant course websites that benefit all students

Eli Boyden, Matthew McMillan

arxiv:2603.28494 v2 · 2026-03-30 · math.HO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SUUWVGUL3ABK4H4QEYQC5KVRY7}

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	2026-05-20T01:05:12.055994Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

95296a9a8bd802ae1f9026202eaab1c7fe6b3cadb8c3b0181d279808e9ea6e14

Aliases

arxiv: 2603.28494 · arxiv_version: 2603.28494v2 · doi: 10.48550/arxiv.2603.28494 · pith_short_12: SUUWVGUL3ABK · pith_short_16: SUUWVGUL3ABK4H4Q · pith_short_8: SUUWVGUL

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/SUUWVGUL3ABK4H4QEYQC5KVRY7 \
  | 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: 95296a9a8bd802ae1f9026202eaab1c7fe6b3cadb8c3b0181d279808e9ea6e14

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9bfc12bbe4d1047cdf6ae4bd7addafe91a5fd17e65019fe5501c9620bcd50816",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "math.HO",
    "submitted_at": "2026-03-30T14:31:08Z",
    "title_canon_sha256": "fbcd7f0e5af6b66ea53e6fdc47f62c997798584e7eae7832bea28eeb3fd91762"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2603.28494",
    "kind": "arxiv",
    "version": 2
  }
}