Pith Number

pith:BCUIVXRL

pith:2025:BCUIVXRL2HAZKU4HCE3MW4L52D

not attested not anchored not stored refs pending

A complex of ribbon quivers and $\mathcal{M}_{g,m}$

Sergei Merkulov

arxiv:2503.02020 v2 · 2025-03-03 · math.AG · math.QA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BCUIVXRL2HAZKU4HCE3MW4L52D}

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.

Cited by

3 papers in Pith

A low-valence ribbon graph complex computing the cohomology of $M_{g,m}$

Receipt and verification

First computed	2026-07-05T10:46:41.371211Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

08a88ade2bd1c19553871136cb717dd0d3285d58acb3b033045f3481e1a3399a

Aliases

arxiv: 2503.02020 · arxiv_version: 2503.02020v2 · doi: 10.48550/arxiv.2503.02020 · pith_short_12: BCUIVXRL2HAZ · pith_short_16: BCUIVXRL2HAZKU4H · pith_short_8: BCUIVXRL

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/BCUIVXRL2HAZKU4HCE3MW4L52D \
  | 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: 08a88ade2bd1c19553871136cb717dd0d3285d58acb3b033045f3481e1a3399a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7481ac8480c8b33705d1dc49cbd13b2d5507403e012820722750c61be5238af2",
    "cross_cats_sorted": [
      "math.QA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2025-03-03T19:53:30Z",
    "title_canon_sha256": "288ea39c8e9d0805738211da266230727c7cc60060ed1739a3d4640302e9b1d7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2503.02020",
    "kind": "arxiv",
    "version": 2
  }
}