Pith Number

pith:NU44BOLQ

pith:2016:NU44BOLQ6GBDXPM4KVK2ZAZJSY

not attested not anchored not stored refs pending

Hodge Numbers from Picard-Fuchs Equations

Alan Thompson, Andrew Harder, Charles F. Doran

arxiv:1612.09439 v2 · 2016-12-30 · 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{NU44BOLQ6GBDXPM4KVK2ZAZJSY}

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	2026-05-18T00:42:12.523690Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6d39c0b970f1823bbd9c5555ac8329963b730cb3f9db64c948005f45e18558b4

Aliases

arxiv: 1612.09439 · arxiv_version: 1612.09439v2 · doi: 10.48550/arxiv.1612.09439 · pith_short_12: NU44BOLQ6GBD · pith_short_16: NU44BOLQ6GBDXPM4 · pith_short_8: NU44BOLQ

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/NU44BOLQ6GBDXPM4KVK2ZAZJSY \
  | 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: 6d39c0b970f1823bbd9c5555ac8329963b730cb3f9db64c948005f45e18558b4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e2f9ff64572c620b66edcf77a1bfc300914b79ccd04d80efbc06d5246e0271ec",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2016-12-30T10:00:24Z",
    "title_canon_sha256": "8b8e1c4d07492d91f2a61333c6d2fe8dee6fd003499832427bf05d18db89dbec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.09439",
    "kind": "arxiv",
    "version": 2
  }
}