Pith Number

pith:FW55EKOV

pith:2025:FW55EKOVRVTEPOXDBKGMXIIW6Z

not attested not anchored not stored refs pending

Local categories: a new framework for partiality

Jean-Simon Pacaud Lemay, Marcello Lanfranchi

arxiv:2512.03371 v2 · 2025-12-03 · math.CT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FW55EKOVRVTEPOXDBKGMXIIW6Z}

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	2026-06-05T01:14:31.618551Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2dbbd229d58d6647bae30a8ccba116f664929dfb8b513c76d7abc7ec8a589734

Aliases

arxiv: 2512.03371 · arxiv_version: 2512.03371v2 · doi: 10.48550/arxiv.2512.03371 · pith_short_12: FW55EKOVRVTE · pith_short_16: FW55EKOVRVTEPOXD · pith_short_8: FW55EKOV

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/FW55EKOVRVTEPOXDBKGMXIIW6Z \
  | 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: 2dbbd229d58d6647bae30a8ccba116f664929dfb8b513c76d7abc7ec8a589734

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "820af7429047ebc61a71d7fc29be314b724bb2cf5652a57c95347acbb95e4ee9",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.CT",
    "submitted_at": "2025-12-03T02:06:52Z",
    "title_canon_sha256": "a1ed530c305849c9482e45663bb13e22483abb24a94c9eac373bcf0465f9e287"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2512.03371",
    "kind": "arxiv",
    "version": 2
  }
}