Pith Number

pith:35VDL2ZI

pith:2009:35VDL2ZIUNISAXA2VHCL6R36LL

not attested not anchored not stored refs pending

Combinatorial Heegaard Floer homology and nice Heegaard diagrams

Andras I. Stipsicz, Peter S. Ozsvath, Zoltan Szabo

arxiv:0912.0830 v3 · 2009-12-04 · math.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{35VDL2ZIUNISAXA2VHCL6R36LL}

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	2026-05-18T04:04:15.467797Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

df6a35eb28a351205c1aa9c4bf477e5af3d610eb8eae10b0dc48763d9e7a5619

Aliases

arxiv: 0912.0830 · arxiv_version: 0912.0830v3 · doi: 10.48550/arxiv.0912.0830 · pith_short_12: 35VDL2ZIUNIS · pith_short_16: 35VDL2ZIUNISAXA2 · pith_short_8: 35VDL2ZI

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/35VDL2ZIUNISAXA2VHCL6R36LL \
  | 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: df6a35eb28a351205c1aa9c4bf477e5af3d610eb8eae10b0dc48763d9e7a5619

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bc61bb4aecf1d18d3cb88f0f68581261382d260d5618eb6abfd2103d0cd26378",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2009-12-04T12:06:50Z",
    "title_canon_sha256": "6cb83dce80abcc4ef379db79a6550ab60e9e0473901694c41259bbace989fe9f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.0830",
    "kind": "arxiv",
    "version": 3
  }
}