Pith Number

pith:OM6H7BVS

pith:2013:OM6H7BVSCDSMF6JCDGVYEE6SA5

not attested not anchored not stored refs pending

A 2-category of chronological cobordisms and odd Khovanov homology

Krzysztof K. Putyra

arxiv:1310.1895 v2 · 2013-10-07 · math.GT · math.RA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OM6H7BVSCDSMF6JCDGVYEE6SA5}

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	2026-05-18T02:27:32.815540Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

733c7f86b210e4c2f92219ab8213d2074bc8b1d883a54df66e96c811fad7a5e4

Aliases

arxiv: 1310.1895 · arxiv_version: 1310.1895v2 · doi: 10.48550/arxiv.1310.1895 · pith_short_12: OM6H7BVSCDSM · pith_short_16: OM6H7BVSCDSMF6JC · pith_short_8: OM6H7BVS

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/OM6H7BVSCDSMF6JCDGVYEE6SA5 \
  | 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: 733c7f86b210e4c2f92219ab8213d2074bc8b1d883a54df66e96c811fad7a5e4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c1a08e74db026cbaa73bb3ba650b00f4ad3deb2d0a7f48a9a4c349e32c3a37f1",
    "cross_cats_sorted": [
      "math.RA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2013-10-07T19:33:10Z",
    "title_canon_sha256": "5c9e479edb3d20fe91c0c58a71326ba2064905e1951d6c47130ca035746e0573"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.1895",
    "kind": "arxiv",
    "version": 2
  }
}