Pith Number

pith:ATXKXRFS

pith:2014:ATXKXRFS6FKUAQTDHTCY6BMO3U

not attested not anchored not stored refs pending

Generalized Burniat type surfaces and Bagnera-de Franchis varieties

Davide Frapporti (Universitaet Bayreuth, Fabrizio Catanese, Germany), Ingrid Bauer

arxiv:1409.1285 v2 · 2014-09-03 · math.AG · math.CV

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ATXKXRFS6FKUAQTDHTCY6BMO3U}

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	2026-05-18T02:28:53.891069Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

04eeabc4b2f1554042633cc58f058edd16170769b58e0b4584247ca81281bb3b

Aliases

arxiv: 1409.1285 · arxiv_version: 1409.1285v2 · doi: 10.48550/arxiv.1409.1285 · pith_short_12: ATXKXRFS6FKU · pith_short_16: ATXKXRFS6FKUAQTD · pith_short_8: ATXKXRFS

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/ATXKXRFS6FKUAQTDHTCY6BMO3U \
  | 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: 04eeabc4b2f1554042633cc58f058edd16170769b58e0b4584247ca81281bb3b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f65e987755eef08a5ef2eb36df2bc19ff4166e3ef2e0a3ebb7b3ec345aee9ebb",
    "cross_cats_sorted": [
      "math.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2014-09-03T23:34:55Z",
    "title_canon_sha256": "a47c99cb3574d95319869714afdbc85acda63eb50feac24acfbaff9fd7fb89a7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.1285",
    "kind": "arxiv",
    "version": 2
  }
}