Pith Number

pith:67V5UNOM

pith:2013:67V5UNOMYHOK7EHDHYB6CKSIGA

not attested not anchored not stored refs pending

Grassmannian BGG Complexes and Hodge numbers of irregular varieties

V\'ictor Gonz\'alez-Alonso

arxiv:1309.3416 v2 · 2013-09-13 · 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{67V5UNOMYHOK7EHDHYB6CKSIGA}

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	2026-05-18T00:44:29.520447Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f7ebda35ccc1dcaf90e33e03e12a48303fe9ea5ef80e502c14319e24ef2bb254

Aliases

arxiv: 1309.3416 · arxiv_version: 1309.3416v2 · doi: 10.48550/arxiv.1309.3416 · pith_short_12: 67V5UNOMYHOK · pith_short_16: 67V5UNOMYHOK7EHD · pith_short_8: 67V5UNOM

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/67V5UNOMYHOK7EHDHYB6CKSIGA \
  | 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: f7ebda35ccc1dcaf90e33e03e12a48303fe9ea5ef80e502c14319e24ef2bb254

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7c959d377ee1807424752a153b5e4ad7a5538874b759163b1f98608b15c54bd4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2013-09-13T09:59:59Z",
    "title_canon_sha256": "3a10bd57b881ef689041b73d9a69e86fd3c46638bbbce5f41c2d35692b26fc38"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.3416",
    "kind": "arxiv",
    "version": 2
  }
}