Pith Number

pith:25HSNEDH

pith:1995:25HSNEDHYPGE4Q2RPG5BC77F3B

not attested not anchored not stored refs pending

Higher-Dimensional Algebra I: Braided Monoidal 2-Categories

John C. Baez, Martin Neuchl

arxiv:q-alg/9511013 v2 · 1995-11-19 · q-alg · 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{25HSNEDHYPGE4Q2RPG5BC77F3B}

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.

Cited by

1 paper in Pith

On \'Etale Algebras and Bosonic Fusion 2-Categories

Receipt and verification

First computed	2026-07-05T01:53:16.237793Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d74f269067c3cc4e435179ba117fe5d8708b67f791f58cb4ef43d5ce61590b55

Aliases

arxiv: q-alg/9511013 · arxiv_version: q-alg/9511013v2 · doi: 10.48550/arxiv.q-alg/9511013 · pith_short_12: 25HSNEDHYPGE · pith_short_16: 25HSNEDHYPGE4Q2R · pith_short_8: 25HSNEDH

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/25HSNEDHYPGE4Q2RPG5BC77F3B \
  | 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: d74f269067c3cc4e435179ba117fe5d8708b67f791f58cb4ef43d5ce61590b55

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fc811bb352f5ab7152001e9c34a8febac4be217845c80d42fc4df7b918ce6a43",
    "cross_cats_sorted": [
      "math.QA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-alg",
    "submitted_at": "1995-11-19T22:38:26Z",
    "title_canon_sha256": "b4aa4b745dfb2f5642a2d0d05e2c9874ff66d94b2edd870222a5e099ba672217"
  },
  "schema_version": "1.0",
  "source": {
    "id": "q-alg/9511013",
    "kind": "arxiv",
    "version": 2
  }
}