Pith Number

pith:C74BRSM5

pith:2025:C74BRSM5HBF2MIVJ2X2UC5ULMO

not attested not anchored not stored refs pending

Affine hypersurfaces and superintegrable systems

Andreas Vollmer, Vicente Cort\'es

arxiv:2504.05200 v2 · 2025-04-07 · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{C74BRSM5HBF2MIVJ2X2UC5ULMO}

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	2026-06-10T01:09:16.106244Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

17f818c99d384ba622a9d5f541768b639377df65ed8560d3cd72c8b00a25d930

Aliases

arxiv: 2504.05200 · arxiv_version: 2504.05200v2 · doi: 10.48550/arxiv.2504.05200 · pith_short_12: C74BRSM5HBF2 · pith_short_16: C74BRSM5HBF2MIVJ · pith_short_8: C74BRSM5

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/C74BRSM5HBF2MIVJ2X2UC5ULMO \
  | 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: 17f818c99d384ba622a9d5f541768b639377df65ed8560d3cd72c8b00a25d930

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "87fa879aa8e180089671ba6b062ac0f6315e84a1cfb0bb418ec6484e024526ed",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2025-04-07T15:50:26Z",
    "title_canon_sha256": "c2f424a0a4ef409f8b826bf3990b6b8028ba8fd4e3b9d20324b033a28c3f33aa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.05200",
    "kind": "arxiv",
    "version": 2
  }
}