Pith Number

pith:32A4TORM

pith:2011:32A4TORMHURIMFNYSC37B6OHIC

not attested not anchored not stored refs pending

Partially traced categories

Octavio Malherbe, Peter Selinger, Philip J. Scott

arxiv:1107.3608 v2 · 2011-07-19 · math.CT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{32A4TORMHURIMFNYSC37B6OHIC}

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	2026-05-18T03:49:58.481123Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

de81c9ba2c3d228615b890b7f0f9c740a2a21060af4cc173d79f028517b515e8

Aliases

arxiv: 1107.3608 · arxiv_version: 1107.3608v2 · doi: 10.48550/arxiv.1107.3608 · pith_short_12: 32A4TORMHURI · pith_short_16: 32A4TORMHURIMFNY · pith_short_8: 32A4TORM

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/32A4TORMHURIMFNYSC37B6OHIC \
  | 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: de81c9ba2c3d228615b890b7f0f9c740a2a21060af4cc173d79f028517b515e8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e88385f5222637e4e83aacc89c96238649e0d29f435e7b84531d1ce770b87c49",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CT",
    "submitted_at": "2011-07-19T02:15:03Z",
    "title_canon_sha256": "5ceb5e531371cad877f2452707baaf287485c3cce63d344faf58e120b6b1e950"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.3608",
    "kind": "arxiv",
    "version": 2
  }
}