Pith Number

pith:WJJSGM2D

pith:2013:WJJSGM2DU4372QQHJHOXRHXNXR

not attested not anchored not stored refs pending

Tissus alg\'ebriques exceptionnels

Luc Pirio

arxiv:1305.6493 v2 · 2013-05-28 · 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{WJJSGM2DU4372QQHJHOXRHXNXR}

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	2026-05-18T01:55:43.428611Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b253233343a737fd420749dd789eedbc4e6949622f541abdd105ef427fc54b2c

Aliases

arxiv: 1305.6493 · arxiv_version: 1305.6493v2 · doi: 10.48550/arxiv.1305.6493 · pith_short_12: WJJSGM2DU437 · pith_short_16: WJJSGM2DU4372QQH · pith_short_8: WJJSGM2D

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/WJJSGM2DU4372QQHJHOXRHXNXR \
  | 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: b253233343a737fd420749dd789eedbc4e6949622f541abdd105ef427fc54b2c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "65470d7b653425280bdefd83a7ccd960cefc6d1f81a4f4e7d9816d0bbb3d45dd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2013-05-28T13:53:24Z",
    "title_canon_sha256": "4464986e57afe0d7171f55f5ce867db2823c5d58b84de1f2614466020e65bef3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.6493",
    "kind": "arxiv",
    "version": 2
  }
}