Pith Number

pith:QNG7Y5ND

pith:2013:QNG7Y5NDCJCW5PSEUPCJU7PGIJ

not attested not anchored not stored refs pending

Rationality of some tetragonal loci

Shouhei Ma

arxiv:1302.3367 v2 · 2013-02-14 · 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{QNG7Y5NDCJCW5PSEUPCJU7PGIJ}

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	2026-05-18T02:59:31.467625Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

834dfc75a312456ebe44a3c49a7de642753b95c7c7f68c27c2bd77271aba662c

Aliases

arxiv: 1302.3367 · arxiv_version: 1302.3367v2 · doi: 10.48550/arxiv.1302.3367 · pith_short_12: QNG7Y5NDCJCW · pith_short_16: QNG7Y5NDCJCW5PSE · pith_short_8: QNG7Y5ND

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/QNG7Y5NDCJCW5PSEUPCJU7PGIJ \
  | 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: 834dfc75a312456ebe44a3c49a7de642753b95c7c7f68c27c2bd77271aba662c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ecd5e77b8042e03cf9519baeda25da054d22641f6933018c021778d7469a3033",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2013-02-14T11:06:25Z",
    "title_canon_sha256": "664656551f3fc087cabd03f5317b2aceb70ab18e615e3c2681b461f4f74dc87a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.3367",
    "kind": "arxiv",
    "version": 2
  }
}