Pith Number

pith:U5TAPEGM

pith:2025:U5TAPEGM5ULGFNSO43MOZDTTTG

not attested not anchored not stored refs pending

Connection Matrices in Macaulay2

Anna-Laura Sattelberger, Francesca Zaffalon, Hendrik Schroeder, Joris Koefler, Mahrud Sayrafi, Nicolas Weiss, Paul G\"orlach

arxiv:2504.01362 v2 · 2025-04-02 · math.AG · cs.SC

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{U5TAPEGM5ULGFNSO43MOZDTTTG}

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	2026-05-26T02:03:49.699253Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a7660790cced1662b64ee6d8ec8e7399ae17787f552403800baac20c10a01f39

Aliases

arxiv: 2504.01362 · arxiv_version: 2504.01362v2 · doi: 10.48550/arxiv.2504.01362 · pith_short_12: U5TAPEGM5ULG · pith_short_16: U5TAPEGM5ULGFNSO · pith_short_8: U5TAPEGM

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/U5TAPEGM5ULGFNSO43MOZDTTTG \
  | 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: a7660790cced1662b64ee6d8ec8e7399ae17787f552403800baac20c10a01f39

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1ec528f4703b8b7fa9c5bcda5bbebb3cf15cdbe76efaade0c27b56fc24a5707f",
    "cross_cats_sorted": [
      "cs.SC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2025-04-02T05:08:45Z",
    "title_canon_sha256": "db7df6c021393e85b593416afbaa70eaab9e27bd83a1c6d59dc03211a7fec735"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.01362",
    "kind": "arxiv",
    "version": 2
  }
}