Pith Number

pith:Q65YQNBE

pith:2008:Q65YQNBEDSATDFNDVP7EDF6LVG

not attested not anchored not stored refs pending

Foliations on hypersurfaces in holomorphic symplectic manifolds

Justin Sawon

arxiv:0812.3939 v1 · 2008-12-20 · math.AG · 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{Q65YQNBEDSATDFNDVP7EDF6LVG}

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	2026-05-18T03:13:08.666241Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

87bb8834241c813195a3abfe4197cba9b147dd5ea4fd31938ede11b197df068d

Aliases

arxiv: 0812.3939 · arxiv_version: 0812.3939v1 · doi: 10.48550/arxiv.0812.3939 · pith_short_12: Q65YQNBEDSAT · pith_short_16: Q65YQNBEDSATDFND · pith_short_8: Q65YQNBE

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/Q65YQNBEDSATDFNDVP7EDF6LVG \
  | 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: 87bb8834241c813195a3abfe4197cba9b147dd5ea4fd31938ede11b197df068d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7f8b68f1862a664e3f7217783c1e1346193032f8906c9665c7c4279cf98bf4ce",
    "cross_cats_sorted": [
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2008-12-20T06:09:13Z",
    "title_canon_sha256": "9e31a27356bd7f3c82a6d05a18198ab5795ec05b06fa45c681a7d152073d254d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0812.3939",
    "kind": "arxiv",
    "version": 1
  }
}