Pith Number

pith:UMZVDW5K

pith:2015:UMZVDW5KKQPFR25HWDNC6PJ44S

not attested not anchored not stored refs pending

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Bruno Kahn, Daniel Ferrand

arxiv:1510.06588 v1 · 2015-10-22 · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UMZVDW5KKQPFR25HWDNC6PJ44S}

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	2026-05-18T01:29:30.535060Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a33351dbaa541e58eba7b0da2f3d3ce49d49f58587db8b58bd7a7b7eccf848a1

Aliases

arxiv: 1510.06588 · arxiv_version: 1510.06588v1 · doi: 10.48550/arxiv.1510.06588 · pith_short_12: UMZVDW5KKQPF · pith_short_16: UMZVDW5KKQPFR25H · pith_short_8: UMZVDW5K

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/UMZVDW5KKQPFR25HWDNC6PJ44S \
  | 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: a33351dbaa541e58eba7b0da2f3d3ce49d49f58587db8b58bd7a7b7eccf848a1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2658e1e82895b2df742f9899b00b354d68915ee575406b572597e91bfacb738e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2015-10-22T12:00:50Z",
    "title_canon_sha256": "e995de2865c624a3b87ed5cf09241bb33e1bf800f9b9c96af12185b80e6a1430"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.06588",
    "kind": "arxiv",
    "version": 1
  }
}