Pith Number

pith:TPJ2EPQ5

pith:2014:TPJ2EPQ5IRDIT4KO6J5GSAMN42

not attested not anchored not stored refs pending

Bases normales autoduales et groupes unitaires en caract\'eristique 2

Jean-Pierre Serre

arxiv:1401.4954 v2 · 2014-01-20 · 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{TPJ2EPQ5IRDIT4KO6J5GSAMN42}

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	2026-05-18T02:54:39.233455Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9bd3a23e1d444689f14ef27a69018de6acdb24947ad3b45143074405995e3d22

Aliases

arxiv: 1401.4954 · arxiv_version: 1401.4954v2 · doi: 10.48550/arxiv.1401.4954 · pith_short_12: TPJ2EPQ5IRDI · pith_short_16: TPJ2EPQ5IRDIT4KO · pith_short_8: TPJ2EPQ5

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/TPJ2EPQ5IRDIT4KO6J5GSAMN42 \
  | 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: 9bd3a23e1d444689f14ef27a69018de6acdb24947ad3b45143074405995e3d22

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "64fba8c6ed3a81b0039aaa331c2e0fc14b7d9bbcaa71cc2d769adbe75ec65402",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2014-01-20T15:56:10Z",
    "title_canon_sha256": "f7776986cfc6e23bb7c366e657eb846ddbc7d7b88a6b4bf47097e1066ee487e0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.4954",
    "kind": "arxiv",
    "version": 2
  }
}