Pith Number

pith:DNASFCSY

pith:2011:DNASFCSYXG7LB4NFWYLDHTH4S7

not attested not anchored not stored refs pending

On the classification of OADP varieties

Ciro Ciliberto, Francesco Russo

arxiv:1105.1007 v1 · 2011-05-05 · 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{DNASFCSYXG7LB4NFWYLDHTH4S7}

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	2026-05-18T04:12:56.320636Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1b41228a58b9beb0f1a5b61633ccfc97fa1134c2147be87961d2ef901ed767c5

Aliases

arxiv: 1105.1007 · arxiv_version: 1105.1007v1 · doi: 10.48550/arxiv.1105.1007 · pith_short_12: DNASFCSYXG7L · pith_short_16: DNASFCSYXG7LB4NF · pith_short_8: DNASFCSY

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/DNASFCSYXG7LB4NFWYLDHTH4S7 \
  | 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: 1b41228a58b9beb0f1a5b61633ccfc97fa1134c2147be87961d2ef901ed767c5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5fd15fc2d71451d2f990395177fc8cea1a14e3bf29fec2469e02ffd627a2caf9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2011-05-05T08:06:50Z",
    "title_canon_sha256": "6a43a4bd2a27f33ab7a17391a90df2ba87a221ce52868bd9bb5016d4ad9cb13a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.1007",
    "kind": "arxiv",
    "version": 1
  }
}