Pith Number

pith:ACA43RRF

pith:2018:ACA43RRFOSGHTMSILWU2RETMAA

not attested not anchored not stored refs pending

Varieties with nef diagonal

Kiwamu Watanabe, Taku Suzuki

arxiv:1803.08216 v1 · 2018-03-22 · 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{ACA43RRFOSGHTMSILWU2RETMAA}

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	2026-05-18T00:20:23.392089Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0081cdc625748c79b2485da9a8926c003aebb08f1fe9ed56b045b84de1a99a17

Aliases

arxiv: 1803.08216 · arxiv_version: 1803.08216v1 · doi: 10.48550/arxiv.1803.08216 · pith_short_12: ACA43RRFOSGH · pith_short_16: ACA43RRFOSGHTMSI · pith_short_8: ACA43RRF

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/ACA43RRFOSGHTMSILWU2RETMAA \
  | 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: 0081cdc625748c79b2485da9a8926c003aebb08f1fe9ed56b045b84de1a99a17

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f5134c747b06d7323f59990a3cc27e14bb02e3636f39c77fcde2b302b9b23172",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2018-03-22T03:18:55Z",
    "title_canon_sha256": "8ec0d85e2e6c931ecbb6f4240fb1630afb114c044780e052799800e62d029dc6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.08216",
    "kind": "arxiv",
    "version": 1
  }
}