Pith Number

pith:F3JEALQW

pith:2012:F3JEALQWUKNPVIOF2CH5R6RESV

not attested not anchored not stored refs pending

The equivalence of Heegaard Floer homology and embedded contact homology via open book decompositions I

Ko Honda, Paolo Ghiggini, Vincent Colin

arxiv:1208.1074 v2 · 2012-08-06 · math.GT · math.SG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{F3JEALQWUKNPVIOF2CH5R6RESV}

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.

Cited by

1 paper in Pith

On contact type hypersurfaces in 4-space

Receipt and verification

First computed	2026-05-18T00:41:54.151847Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2ed2402e16a29afaa1c5d08fd8fa2495400002f38df700d3174f5ef7c21224df

Aliases

arxiv: 1208.1074 · arxiv_version: 1208.1074v2 · doi: 10.48550/arxiv.1208.1074 · pith_short_12: F3JEALQWUKNP · pith_short_16: F3JEALQWUKNPVIOF · pith_short_8: F3JEALQW

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/F3JEALQWUKNPVIOF2CH5R6RESV \
  | 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: 2ed2402e16a29afaa1c5d08fd8fa2495400002f38df700d3174f5ef7c21224df

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "77fa66a1e2904657a18b895d799059a9ad0854f2f404d041a7ca45a6674043a5",
    "cross_cats_sorted": [
      "math.SG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2012-08-06T03:05:29Z",
    "title_canon_sha256": "53790ab1f65eb14cc1902406fffaf25f332d18287d8a6992759cbcc4c96ac094"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.1074",
    "kind": "arxiv",
    "version": 2
  }
}