Pith Number

pith:ROJFJHKR

pith:2013:ROJFJHKRXFOTYQQZ2W7C72L365

not attested not anchored not stored refs pending

On cubic elliptic varieties

Andrea Luigi Tironi, Antonio Laface, Juergen Hausen, Luca Ugaglia

arxiv:1305.3340 v1 · 2013-05-15 · 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{ROJFJHKRXFOTYQQZ2W7C72L365}

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	2026-05-18T03:25:36.086225Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8b92549d51b95d3c4219d5be2fe97bf7486076eb0c1f4ed581953a28401e439f

Aliases

arxiv: 1305.3340 · arxiv_version: 1305.3340v1 · doi: 10.48550/arxiv.1305.3340 · pith_short_12: ROJFJHKRXFOT · pith_short_16: ROJFJHKRXFOTYQQZ · pith_short_8: ROJFJHKR

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/ROJFJHKRXFOTYQQZ2W7C72L365 \
  | 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: 8b92549d51b95d3c4219d5be2fe97bf7486076eb0c1f4ed581953a28401e439f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "76e824ca08535b8fc054f85eb4b3c94fdf2af48f157aa35de93ed1365801a06d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2013-05-15T02:20:18Z",
    "title_canon_sha256": "15134a3f94651a3ce0d431fa85068157ad983cf2ac974f387250d0cac30e41b3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.3340",
    "kind": "arxiv",
    "version": 1
  }
}