Pith Number

pith:RWRI2Q53

pith:2015:RWRI2Q53JLA6VBB6J5EGQWI5RQ

not attested not anchored not stored refs pending

Fusion categories via string diagrams

Bruce Bartlett

arxiv:1502.02882 v2 · 2015-02-10 · math.QA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RWRI2Q53JLA6VBB6J5EGQWI5RQ}

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	2026-05-18T01:36:38.473875Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8da28d43bb4ac1ea843e4f4868591d8c2befff32be813d60c38d0b85a57ec6ba

Aliases

arxiv: 1502.02882 · arxiv_version: 1502.02882v2 · doi: 10.48550/arxiv.1502.02882 · pith_short_12: RWRI2Q53JLA6 · pith_short_16: RWRI2Q53JLA6VBB6 · pith_short_8: RWRI2Q53

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/RWRI2Q53JLA6VBB6J5EGQWI5RQ \
  | 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: 8da28d43bb4ac1ea843e4f4868591d8c2befff32be813d60c38d0b85a57ec6ba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "151dcbf8140bbc279b526e318afb6d61842e3ad342434fa19086436bb411c8be",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.QA",
    "submitted_at": "2015-02-10T12:51:41Z",
    "title_canon_sha256": "6874ba149148ee16ab64d6ec4641557f53b7d20819a16b14c2e2e396f96940d0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.02882",
    "kind": "arxiv",
    "version": 2
  }
}