Pith Number

pith:O4SZXLLD

pith:2014:O4SZXLLDND7IDG5M37CKELGZWF

not attested not anchored not stored refs pending

Fock spaces and refined Severi degrees

Florian Block, Lothar G\"ottsche

arxiv:1409.4868 v1 · 2014-09-17 · 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{O4SZXLLDND7IDG5M37CKELGZWF}

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	2026-05-18T02:42:38.521155Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

77259bad6368fe819bacdfc4a22cd9b1573053be87ce5fbdd4cab1d9a73e2e75

Aliases

arxiv: 1409.4868 · arxiv_version: 1409.4868v1 · doi: 10.48550/arxiv.1409.4868 · pith_short_12: O4SZXLLDND7I · pith_short_16: O4SZXLLDND7IDG5M · pith_short_8: O4SZXLLD

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/O4SZXLLDND7IDG5M37CKELGZWF \
  | 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: 77259bad6368fe819bacdfc4a22cd9b1573053be87ce5fbdd4cab1d9a73e2e75

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d746badcec4c4633ac0d239aa79d4ec937d7bfacb930d8414754f5155b324028",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2014-09-17T04:45:13Z",
    "title_canon_sha256": "a92a57304d3d32dae6d61d57ec34e80556e855260b05934d0b6890577da888eb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.4868",
    "kind": "arxiv",
    "version": 1
  }
}