Pith Number

pith:746VF5PM

pith:2011:746VF5PM2KCKSLQZQ7JL2LE2E2

not attested not anchored not stored refs pending

Fano manifolds of Calabi-Yau type

Atanas Iliev, Laurent Manivel (IF)

arxiv:1102.3623 v1 · 2011-02-17 · 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{746VF5PM2KCKSLQZQ7JL2LE2E2}

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	2026-05-18T04:28:28.735705Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ff3d52f5ecd284a92e1987d2bd2c9a2686eed512b9b95e92899a4787d9e28d9d

Aliases

arxiv: 1102.3623 · arxiv_version: 1102.3623v1 · doi: 10.48550/arxiv.1102.3623 · pith_short_12: 746VF5PM2KCK · pith_short_16: 746VF5PM2KCKSLQZ · pith_short_8: 746VF5PM

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/746VF5PM2KCKSLQZQ7JL2LE2E2 \
  | 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: ff3d52f5ecd284a92e1987d2bd2c9a2686eed512b9b95e92899a4787d9e28d9d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "15767449f5cc542d5bbe9b10a58fbea45aacd111db612b3e56c012519d18db5e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2011-02-17T16:18:30Z",
    "title_canon_sha256": "ae07c667c4d8350e31f5d83043804fd23a4078facdb040c4fb67ec051f3192d8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.3623",
    "kind": "arxiv",
    "version": 1
  }
}