Pith Number

pith:AU26XZG6

pith:2014:AU26XZG6D2OUCYC3Y2ZNESVC3E

not attested not anchored not stored refs pending

A uniform model for almost convexity and rewriting systems

Mark Brittenham, Susan Hermiller

arxiv:1410.2342 v1 · 2014-10-09 · math.GR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AU26XZG6D2OUCYC3Y2ZNESVC3E}

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	2026-05-18T02:40:46.629398Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0535ebe4de1e9d41605bc6b2d24aa2d93511eb2e5cc7e2701114e265ab96e83f

Aliases

arxiv: 1410.2342 · arxiv_version: 1410.2342v1 · doi: 10.48550/arxiv.1410.2342 · pith_short_12: AU26XZG6D2OU · pith_short_16: AU26XZG6D2OUCYC3 · pith_short_8: AU26XZG6

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/AU26XZG6D2OUCYC3Y2ZNESVC3E \
  | 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: 0535ebe4de1e9d41605bc6b2d24aa2d93511eb2e5cc7e2701114e265ab96e83f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "de28e7fe72686e2bd31dad1c5e92f1b848534f534b46d65ecdd53f920ac773d4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2014-10-09T03:04:25Z",
    "title_canon_sha256": "cf203c6d1e1dc3884c0986338d41ce592c11583f8a32339235dcbf8936425bda"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.2342",
    "kind": "arxiv",
    "version": 1
  }
}