Pith Number

pith:GQ7C5PCN

pith:2016:GQ7C5PCNWRL5M2FG7M3O2ZYASP

not attested not anchored not stored refs pending

Gaps for geometric genera

Ciro Ciliberto, Flaminio Flamini, Mikhail Zaidenberg

arxiv:1601.07082 v1 · 2016-01-26 · 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{GQ7C5PCNWRL5M2FG7M3O2ZYASP}

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	2026-05-18T01:21:57.519221Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

343e2ebc4db457d668a6fb36ed670093eb47195534801c526947517df0c64e51

Aliases

arxiv: 1601.07082 · arxiv_version: 1601.07082v1 · doi: 10.48550/arxiv.1601.07082 · pith_short_12: GQ7C5PCNWRL5 · pith_short_16: GQ7C5PCNWRL5M2FG · pith_short_8: GQ7C5PCN

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/GQ7C5PCNWRL5M2FG7M3O2ZYASP \
  | 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: 343e2ebc4db457d668a6fb36ed670093eb47195534801c526947517df0c64e51

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6175bc2c8071f8348b2f45c20981b9931ccf9cf7ff4e860896ca7a9a37e8272e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2016-01-26T16:14:37Z",
    "title_canon_sha256": "7f3ee3fe6f2d7416027d43d85dc38a64e0a3eed9e95ed495d159c38045b1d41c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.07082",
    "kind": "arxiv",
    "version": 1
  }
}