Pith Number

pith:LXWE76H4

pith:2011:LXWE76H4JLKOENUQQ7DHVR6R42

not attested not anchored not stored refs pending

Rank two Fano bundles on G(1,4)

Gianluca Occhetta, Luis E. Sol\'a Conde, Roberto Mu\~noz

arxiv:1109.5815 v1 · 2011-09-27 · 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{LXWE76H4JLKOENUQQ7DHVR6R42}

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	2026-05-18T02:25:20.048916Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5dec4ff8fc4ad4e2369087c67ac7d1e6b254e8fb6c33635cccaf041d03f7dc2d

Aliases

arxiv: 1109.5815 · arxiv_version: 1109.5815v1 · doi: 10.48550/arxiv.1109.5815 · pith_short_12: LXWE76H4JLKO · pith_short_16: LXWE76H4JLKOENUQ · pith_short_8: LXWE76H4

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/LXWE76H4JLKOENUQQ7DHVR6R42 \
  | 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: 5dec4ff8fc4ad4e2369087c67ac7d1e6b254e8fb6c33635cccaf041d03f7dc2d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "950c7046de091f8c1ea415ecf766ed1c2a8b7a18b44d7f088cd67f6d7b0bc14e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2011-09-27T09:23:13Z",
    "title_canon_sha256": "181af67ea7c49cda7d1a300d59832d3031867ae3d66757ac4a078910fa406d54"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.5815",
    "kind": "arxiv",
    "version": 1
  }
}