Pith Number

pith:Q26ZEYO5

pith:2012:Q26ZEYO5G2ACCPQ7M5BEFLSSEJ

not attested not anchored not stored refs pending

Index of varieties over Henselian fields and Euler characteristic of coherent sheaves

H\'el\`ene Esnault, Marc Levine, Olivier Wittenberg

arxiv:1207.1883 v3 · 2012-07-08 · 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{Q26ZEYO5G2ACCPQ7M5BEFLSSEJ}

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	2026-05-18T01:18:15.393970Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

86bd9261dd3680213e1f674242ae52224982bcf11e48431bedb0e925762aedea

Aliases

arxiv: 1207.1883 · arxiv_version: 1207.1883v3 · doi: 10.48550/arxiv.1207.1883 · pith_short_12: Q26ZEYO5G2AC · pith_short_16: Q26ZEYO5G2ACCPQ7 · pith_short_8: Q26ZEYO5

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/Q26ZEYO5G2ACCPQ7M5BEFLSSEJ \
  | 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: 86bd9261dd3680213e1f674242ae52224982bcf11e48431bedb0e925762aedea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ffc656cd15ab342ca7dab2f4a9b1f0dbe8b8af8b6db2239f13698a84c6eb4545",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2012-07-08T15:49:21Z",
    "title_canon_sha256": "974a17bcd5f4858e3f34c2189fdc114e33288207cf29bac61d0111f7407464ec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.1883",
    "kind": "arxiv",
    "version": 3
  }
}