Pith Number

pith:IK3GSEQ2

pith:2013:IK3GSEQ2QCEROUFCABXSEYKHRO

not attested not anchored not stored refs pending

Weak morphisms of higher dimensional automata

Thomas Kahl

arxiv:1303.2003 v1 · 2013-03-08 · cs.FL · math.AT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IK3GSEQ2QCEROUFCABXSEYKHRO}

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	2026-05-18T03:31:31.714581Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

42b669121a80891750a2006f2261478b80233189348861c3170f9e0e70a25df0

Aliases

arxiv: 1303.2003 · arxiv_version: 1303.2003v1 · doi: 10.48550/arxiv.1303.2003 · pith_short_12: IK3GSEQ2QCER · pith_short_16: IK3GSEQ2QCEROUFC · pith_short_8: IK3GSEQ2

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/IK3GSEQ2QCEROUFCABXSEYKHRO \
  | 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: 42b669121a80891750a2006f2261478b80233189348861c3170f9e0e70a25df0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "19f560b1423ab6649c75fb82bb79c5eecb80132d1ec11566bc3ef58cd1310a5f",
    "cross_cats_sorted": [
      "math.AT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2013-03-08T14:20:38Z",
    "title_canon_sha256": "876796ebc0fa7b4539ff65a1d0274f6b1e18eae7854881c4115424945eba9a7c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.2003",
    "kind": "arxiv",
    "version": 1
  }
}