Pith Number

pith:IAJCL2GU

pith:2017:IAJCL2GUY6H7EII3MMQWDDTZAU

not attested not anchored not stored refs pending

Segal-type models of higher categories

Simona Paoli

arxiv:1707.01868 v1 · 2017-07-06 · math.CT · 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{IAJCL2GUY6H7EII3MMQWDDTZAU}

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	2026-05-18T00:40:47.214203Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

401225e8d4c78ff2211b6321618e7905175ab1fc0273e19510978cbfbfd2f58c

Aliases

arxiv: 1707.01868 · arxiv_version: 1707.01868v1 · doi: 10.48550/arxiv.1707.01868 · pith_short_12: IAJCL2GUY6H7 · pith_short_16: IAJCL2GUY6H7EII3 · pith_short_8: IAJCL2GU

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/IAJCL2GUY6H7EII3MMQWDDTZAU \
  | 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: 401225e8d4c78ff2211b6321618e7905175ab1fc0273e19510978cbfbfd2f58c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "335f6c913c2e86ef22a22c426578815daf1856c1467eb6f5e93f9ecadf122c5f",
    "cross_cats_sorted": [
      "math.AT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CT",
    "submitted_at": "2017-07-06T17:04:08Z",
    "title_canon_sha256": "3f55e19325eb0762bfb7a7c0c3e5d806b65bb2904c0ae5501b6b790c022385f6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.01868",
    "kind": "arxiv",
    "version": 1
  }
}