Pith Number

pith:B4IYRPTX

pith:2018:B4IYRPTXX7HQ33PI5QIX34ZJPJ

not attested not anchored not stored refs pending

Quasismoooth hypersurfaces in toric varieties

Michela Artebani, Paola Comparin, Robin Guilbot

arxiv:1802.06594 v2 · 2018-02-19 · 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{B4IYRPTXX7HQ33PI5QIX34ZJPJ}

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	2026-05-17T23:51:19.941120Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0f1188be77bfcf0dede8ec117df3297a5f2c2c2ea9e2c49c49b27eaf072573b9

Aliases

arxiv: 1802.06594 · arxiv_version: 1802.06594v2 · doi: 10.48550/arxiv.1802.06594 · pith_short_12: B4IYRPTXX7HQ · pith_short_16: B4IYRPTXX7HQ33PI · pith_short_8: B4IYRPTX

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/B4IYRPTXX7HQ33PI5QIX34ZJPJ \
  | 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: 0f1188be77bfcf0dede8ec117df3297a5f2c2c2ea9e2c49c49b27eaf072573b9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ae551483e94b6454d7a7e2b982759a7c13205f7ee332f74ea8bc7d2751b271b6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2018-02-19T11:54:25Z",
    "title_canon_sha256": "48ea84bf14c06f5aba9bbbb018eecb917f8bc40cb99f39d0f0197bdca49115e1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.06594",
    "kind": "arxiv",
    "version": 2
  }
}