Pith Number

pith:GBI36LML

pith:2024:GBI36LML5X7Y4MZAX7KLIGBAUQ

not attested not anchored not stored refs pending

Divisorial Mori contractions of submaximal length

Bruno Dewer

arxiv:2411.17549 v1 · 2024-11-26 · 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{GBI36LML5X7Y4MZAX7KLIGBAUQ}

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	2026-07-05T09:40:48.821695Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3051bf2d8bedff8e3320bfd4b41820a4368a6e702bea17b0d68bf422339fd79f

Aliases

arxiv: 2411.17549 · arxiv_version: 2411.17549v1 · doi: 10.48550/arxiv.2411.17549 · pith_short_12: GBI36LML5X7Y · pith_short_16: GBI36LML5X7Y4MZA · pith_short_8: GBI36LML

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/GBI36LML5X7Y4MZAX7KLIGBAUQ \
  | 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: 3051bf2d8bedff8e3320bfd4b41820a4368a6e702bea17b0d68bf422339fd79f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f0c8945bb78a80da8b5e2de556da5d63025fbb742eb830bcbc6168e9d409fec9",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2024-11-26T16:13:55Z",
    "title_canon_sha256": "1d5563a7500bb67b77ad3da9ddb7db079681c6f736cd5eb788a1d6c35aa740df"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2411.17549",
    "kind": "arxiv",
    "version": 1
  }
}