Pith Number

pith:S6JJPAAC

pith:2008:S6JJPAACEFBH3M2BDLVUFTUZUF

not attested not anchored not stored refs pending

Faisceaux sans torsion et faisceaux quasi localement libres sur les courbes multiples primitives

Jean-Marc Drezet

arxiv:0805.4001 v3 · 2008-05-26 · 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{S6JJPAACEFBH3M2BDLVUFTUZUF}

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	2026-05-18T01:59:53.826732Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

979297800221427db3411aeb42ce99a17f90e4b59c0089f3eb4992f7056d5f69

Aliases

arxiv: 0805.4001 · arxiv_version: 0805.4001v3 · doi: 10.48550/arxiv.0805.4001 · pith_short_12: S6JJPAACEFBH · pith_short_16: S6JJPAACEFBH3M2B · pith_short_8: S6JJPAAC

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/S6JJPAACEFBH3M2BDLVUFTUZUF \
  | 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: 979297800221427db3411aeb42ce99a17f90e4b59c0089f3eb4992f7056d5f69

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "202aeaff5a111e738f16c3fa888b2d06056776501e8435861507670c167b9801",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2008-05-26T18:20:35Z",
    "title_canon_sha256": "9f6573df1fba7fff2f42b7f92c0e06eef4faed6fe8c79a1f62291883f161dd77"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0805.4001",
    "kind": "arxiv",
    "version": 3
  }
}