Pith Number

pith:YJYODC5D

pith:2025:YJYODC5DKSZABTVOLSFFKVTMUZ

not attested not anchored not stored refs pending

Spin refinement of moduli spaces of residueless meromorphic differentials and the BKP hierarchy

David Klompenhouwer, Stijn Velstra

arxiv:2506.02540 v1 · 2025-06-03 · math.AG · math-ph · math.MP · nlin.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YJYODC5DKSZABTVOLSFFKVTMUZ}

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	2026-07-05T11:15:03.820997Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c270e18ba354b200ceae5c8a55566ca663d69e0b2818aa80bf8f0bfa5d71ab17

Aliases

arxiv: 2506.02540 · arxiv_version: 2506.02540v1 · doi: 10.48550/arxiv.2506.02540 · pith_short_12: YJYODC5DKSZA · pith_short_16: YJYODC5DKSZABTVO · pith_short_8: YJYODC5D

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/YJYODC5DKSZABTVOLSFFKVTMUZ \
  | 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: c270e18ba354b200ceae5c8a55566ca663d69e0b2818aa80bf8f0bfa5d71ab17

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c85d50403db9608a85a2f7105a8dc59ac970fa6e1c57cf03f9c75e1375cf4ff7",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP",
      "nlin.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2025-06-03T07:26:56Z",
    "title_canon_sha256": "79d0c14643f6d06ee4e35157e7df0f2b63f93a4a8913d0c5e898f29e568d7bc7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.02540",
    "kind": "arxiv",
    "version": 1
  }
}