Pith Number

pith:OVPX73WN

pith:2012:OVPX73WNFRDC6IV4NRZ2REXO2K

not attested not anchored not stored refs pending

The equivalence of Heegaard Floer homology and embedded contact homology III: from hat to plus

Ko Honda, Paolo Ghiggini, Vincent Colin

arxiv:1208.1526 v2 · 2012-08-07 · 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{OVPX73WNFRDC6IV4NRZ2REXO2K}

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	2026-05-18T00:41:54.135713Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

755f7feecd2c462f22bc6c73a892eed2b9eeccd9c0dacc240372669e6589f990

Aliases

arxiv: 1208.1526 · arxiv_version: 1208.1526v2 · doi: 10.48550/arxiv.1208.1526 · pith_short_12: OVPX73WNFRDC · pith_short_16: OVPX73WNFRDC6IV4 · pith_short_8: OVPX73WN

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/OVPX73WNFRDC6IV4NRZ2REXO2K \
  | 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: 755f7feecd2c462f22bc6c73a892eed2b9eeccd9c0dacc240372669e6589f990

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d0e696bf8159dfc226ec5f22fc8792d331f9d42d1710700f1d99f21bb2c980c",
    "cross_cats_sorted": [
      "math.SG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2012-08-07T21:20:09Z",
    "title_canon_sha256": "a54e9466646aac394432557a8ed01188cf8be939e53ca27ddcc2970502d51aa2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.1526",
    "kind": "arxiv",
    "version": 2
  }
}