Pith Number

pith:3SIB7Z2Q

pith:2025:3SIB7Z2QMALPI3PG4PNZVPDWEC

not attested not anchored not stored refs pending

Concave transforms of compactified S-metrized divisors

Debam Biswas, Yulin Cai

arxiv:2505.14023 v1 · 2025-05-20 · 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{3SIB7Z2QMALPI3PG4PNZVPDWEC}

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	2026-07-05T11:05:54.897994Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dc901fe7506016f46de6e3db9abc762081fe9fdef4a554a76f067a3b9e57bb5d

Aliases

arxiv: 2505.14023 · arxiv_version: 2505.14023v1 · doi: 10.48550/arxiv.2505.14023 · pith_short_12: 3SIB7Z2QMALP · pith_short_16: 3SIB7Z2QMALPI3PG · pith_short_8: 3SIB7Z2Q

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/3SIB7Z2QMALPI3PG4PNZVPDWEC \
  | 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: dc901fe7506016f46de6e3db9abc762081fe9fdef4a554a76f067a3b9e57bb5d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2431ccab5f587ea5e360b9161bbcabb7d99a486b9229efc4a2c1588a5191a45f",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2025-05-20T07:25:32Z",
    "title_canon_sha256": "676e381765803abd969316d3ccbb29257707b183efe8c002f3fdfbeb20cfd592"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.14023",
    "kind": "arxiv",
    "version": 1
  }
}