Pith Number

pith:BROYI34X

pith:2012:BROYI34XRTLGFJPLVJCOZOJ32G

not attested not anchored not stored refs pending

Examples of varieties of structures

Cesar Massri

arxiv:1202.5530 v1 · 2012-02-24 · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BROYI34XRTLGFJPLVJCOZOJ32G}

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	2026-05-18T04:01:36.733074Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0c5d846f978cd662a5ebaa44ecb93bd19a831e141bb8c8b2a7e98390f269f3d3

Aliases

arxiv: 1202.5530 · arxiv_version: 1202.5530v1 · doi: 10.48550/arxiv.1202.5530 · pith_short_12: BROYI34XRTLG · pith_short_16: BROYI34XRTLGFJPL · pith_short_8: BROYI34X

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/BROYI34XRTLGFJPLVJCOZOJ32G \
  | 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: 0c5d846f978cd662a5ebaa44ecb93bd19a831e141bb8c8b2a7e98390f269f3d3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "75d1f85df1a3da38f80b3075acbf43e70f3cec6d9e36281f3025f7a73b03af9c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2012-02-24T19:15:30Z",
    "title_canon_sha256": "ac5448f35c0a8e218b28bb58cbc2f83d26a7d6c8d69b6b30fa774bbb3173d351"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.5530",
    "kind": "arxiv",
    "version": 1
  }
}