Pith Number

pith:AK5DVIDI

pith:2019:AK5DVIDIAMD3N24NYYY52V2NHW

not attested not anchored not stored refs pending

Reverse derivative categories

Benjamin MacAdam, Dorette Pronk, Geoffrey Cruttwell, Gordon Plotkin, Jean-Simon Pacaud Lemay, Jonathan Gallagher, Robin Cockett

arxiv:1910.07065 v1 · 2019-10-15 · cs.LO · 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{AK5DVIDIAMD3N24NYYY52V2NHW}

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	2026-07-05T00:12:32.600569Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

02ba3aa0680307b6eb8dc631dd574d3db8990e93b4173fcc802ab9413c61858b

Aliases

arxiv: 1910.07065 · arxiv_version: 1910.07065v1 · doi: 10.48550/arxiv.1910.07065 · pith_short_12: AK5DVIDIAMD3 · pith_short_16: AK5DVIDIAMD3N24N · pith_short_8: AK5DVIDI

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/AK5DVIDIAMD3N24NYYY52V2NHW \
  | 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: 02ba3aa0680307b6eb8dc631dd574d3db8990e93b4173fcc802ab9413c61858b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7fe4a1e37293fc2afa5276440a005d933812bc7267dbc56a2227338350de8e66",
    "cross_cats_sorted": [
      "math.CT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2019-10-15T21:46:07Z",
    "title_canon_sha256": "d09b25e4d5aa273b8574fa135b1889f1211e66242f9ee6c084bbde60e4ea3e58"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.07065",
    "kind": "arxiv",
    "version": 1
  }
}