Pith Number

pith:SOSBHF7Z

pith:2026:SOSBHF7ZITPIF42WJOOGIXVXOS

not attested not anchored not stored refs pending

Chow rings, cohomology rings, and point counts of moduli spaces of curves

Hannah Larson

arxiv:2606.29656 v1 · 2026-06-28 · 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{SOSBHF7ZITPIF42WJOOGIXVXOS}

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	2026-06-30T02:17:29.111709Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

93a41397f944de82f3564b9c645eb774a97b12211d69dbeade636fe5ec1a3888

Aliases

arxiv: 2606.29656 · arxiv_version: 2606.29656v1 · doi: 10.48550/arxiv.2606.29656 · pith_short_12: SOSBHF7ZITPI · pith_short_16: SOSBHF7ZITPIF42W · pith_short_8: SOSBHF7Z

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/SOSBHF7ZITPIF42WJOOGIXVXOS \
  | 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: 93a41397f944de82f3564b9c645eb774a97b12211d69dbeade636fe5ec1a3888

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cc9359be557c5890c24394d2ea2ee23ef959c1cc7c24c936e8d7814615ed47c5",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2026-06-28T23:55:22Z",
    "title_canon_sha256": "4b4119473c123d96d7fef3a492461711afe936a64d9e1a265b274689f9e99d1c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.29656",
    "kind": "arxiv",
    "version": 1
  }
}