Pith Number

pith:JW7B6ZNJ

pith:2026:JW7B6ZNJZ47KM4TU522ZRFZQYE

not attested not anchored not stored refs pending

Fano 4-fold quiver moduli from subspace quivers

Markus Reineke, Pieter Belmans

arxiv:2607.12895 v1 · 2026-07-14 · math.AG · math.RT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JW7B6ZNJZ47KM4TU522ZRFZQYE}

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	2026-07-15T01:22:23.844555Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4dbe1f65a9cf3ea67274eeb5989730c12072f2970121fa7df79fea1141407d7c

Aliases

arxiv: 2607.12895 · arxiv_version: 2607.12895v1 · doi: 10.48550/arxiv.2607.12895 · pith_short_12: JW7B6ZNJZ47K · pith_short_16: JW7B6ZNJZ47KM4TU · pith_short_8: JW7B6ZNJ

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/JW7B6ZNJZ47KM4TU522ZRFZQYE \
  | 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: 4dbe1f65a9cf3ea67274eeb5989730c12072f2970121fa7df79fea1141407d7c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ab8c6718b90ff86b9f6dc6dec82dce8db249c2cc8895dadd457d4420b107abe1",
    "cross_cats_sorted": [
      "math.RT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2026-07-14T15:34:25Z",
    "title_canon_sha256": "85c1ba5bda6211b3cc797e4bdedc779e517a33599d4ed0fa5c61d627ba46fe33"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.12895",
    "kind": "arxiv",
    "version": 1
  }
}