Pith Number

pith:ZPEICH2S

pith:2018:ZPEICH2S2RW75A465HAXIN3MQH

not attested not anchored not stored refs pending

A remark on the Chow ring of Sicilian surfaces

Robert Laterveer

arxiv:1802.07032 v1 · 2018-02-20 · 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{ZPEICH2S2RW75A465HAXIN3MQH}

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	2026-05-18T00:22:53.690855Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cbc8811f52d46dfe839ee9c174376c81fa6739115d7beeb3c8ae467ede4d12da

Aliases

arxiv: 1802.07032 · arxiv_version: 1802.07032v1 · doi: 10.48550/arxiv.1802.07032 · pith_short_12: ZPEICH2S2RW7 · pith_short_16: ZPEICH2S2RW75A46 · pith_short_8: ZPEICH2S

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/ZPEICH2S2RW75A465HAXIN3MQH \
  | 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: cbc8811f52d46dfe839ee9c174376c81fa6739115d7beeb3c8ae467ede4d12da

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b5199b574248540a9aa6ac02244f0afdac7363af6ec5d2366708d51de4cdf1cc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2018-02-20T09:52:37Z",
    "title_canon_sha256": "972764d2ea2a130fb821cd89b146cbe93d80fc392c2ccca6211eccd8f1d48068"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.07032",
    "kind": "arxiv",
    "version": 1
  }
}