Pith Number

pith:H6W7SSPQ

pith:2012:H6W7SSPQ3MCMZVCEFLE6YOEEBS

not attested not anchored not stored refs pending

Two remarks on the Weierstrass flag

Enrico Arbarello, Gabriele Mondello

arxiv:1204.6669 v1 · 2012-04-30 · 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{H6W7SSPQ3MCMZVCEFLE6YOEEBS}

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	2026-05-18T01:21:40.983704Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3fadf949f0db04ccd4442ac9ec38840cb43148d2759dd161e93b5ab9c8ab47b8

Aliases

arxiv: 1204.6669 · arxiv_version: 1204.6669v1 · doi: 10.48550/arxiv.1204.6669 · pith_short_12: H6W7SSPQ3MCM · pith_short_16: H6W7SSPQ3MCMZVCE · pith_short_8: H6W7SSPQ

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/H6W7SSPQ3MCMZVCEFLE6YOEEBS \
  | 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: 3fadf949f0db04ccd4442ac9ec38840cb43148d2759dd161e93b5ab9c8ab47b8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2a4af7e5efc5a628a3d3805e7941d27f19d38544ea39d7abff66c0f59cd07ba1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2012-04-30T15:30:08Z",
    "title_canon_sha256": "df403f6130af76f0c846326769b1427e572b93b0b402f13c847bf4de3578ca83"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.6669",
    "kind": "arxiv",
    "version": 1
  }
}