Pith Number

pith:AOABDGCM

pith:2012:AOABDGCMJN5IMNFQCKT43I3TBB

not attested not anchored not stored refs pending

On the Griffiths Groups of Fano Manifolds of Calabi-Yau Hodge Type

Atanas Iliev, David Favero, Ludmil Katzarkov

arxiv:1212.2608 v1 · 2012-12-11 · math.AG · math.CT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AOABDGCMJN5IMNFQCKT43I3TBB}

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	2026-05-18T03:38:44.132450Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

038011984c4b7a8634b012a7cda3730860e317fbeeaf539bad32c00866211030

Aliases

arxiv: 1212.2608 · arxiv_version: 1212.2608v1 · doi: 10.48550/arxiv.1212.2608 · pith_short_12: AOABDGCMJN5I · pith_short_16: AOABDGCMJN5IMNFQ · pith_short_8: AOABDGCM

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/AOABDGCMJN5IMNFQCKT43I3TBB \
  | 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: 038011984c4b7a8634b012a7cda3730860e317fbeeaf539bad32c00866211030

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d15ecc0d65346cba7f2125608ed83142ed7ed3b8d9a7625bf97c01d272e6a588",
    "cross_cats_sorted": [
      "math.CT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2012-12-11T20:18:26Z",
    "title_canon_sha256": "72b217dc21592b7102247d5549ef57391c3a288469ba6a087f9b974bb2900b18"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.2608",
    "kind": "arxiv",
    "version": 1
  }
}