Pith Number

pith:U5UKQGYN

pith:2014:U5UKQGYNLJAUESVXKJSAOOB36F

not attested not anchored not stored refs pending

An Equivalent Presentation of the Bezem-Coquand-Huber Category of Cubical Sets

Andrew M. Pitts

arxiv:1401.7807 v1 · 2014-01-30 · cs.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{U5UKQGYNLJAUESVXKJSAOOB36F}

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	2026-05-18T03:00:38.312985Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a768a81b0d5a41424ab7526407383bf14998e4e6ebbf3cdd7338a14d1b6d73b9

Aliases

arxiv: 1401.7807 · arxiv_version: 1401.7807v1 · doi: 10.48550/arxiv.1401.7807 · pith_short_12: U5UKQGYNLJAU · pith_short_16: U5UKQGYNLJAUESVX · pith_short_8: U5UKQGYN

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/U5UKQGYNLJAUESVXKJSAOOB36F \
  | 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: a768a81b0d5a41424ab7526407383bf14998e4e6ebbf3cdd7338a14d1b6d73b9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1df21693ad63500fcf5cfb2ed32f8c72cd8d941e847eb82f914034e12af3e438",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2014-01-30T11:47:48Z",
    "title_canon_sha256": "ea5b04f5566e34643c877c55dabfe446dead4e94e6d0c8a1e9c346c3c988db88"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.7807",
    "kind": "arxiv",
    "version": 1
  }
}