Pith Number

pith:743PKQJL

pith:2014:743PKQJLN4SATLB2HCIPCLYJHJ

not attested not anchored not stored refs pending

Instanton Floer homology and contact structures

John A. Baldwin, Steven Sivek

arxiv:1405.3278 v1 · 2014-05-13 · math.SG · 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{743PKQJLN4SATLB2HCIPCLYJHJ}

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	2026-05-18T01:18:18.582762Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ff36f5412b6f2409ac3a3890f12f093a43386efabad4f84263cdbbc3c0e38832

Aliases

arxiv: 1405.3278 · arxiv_version: 1405.3278v1 · doi: 10.48550/arxiv.1405.3278 · pith_short_12: 743PKQJLN4SA · pith_short_16: 743PKQJLN4SATLB2 · pith_short_8: 743PKQJL

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/743PKQJLN4SATLB2HCIPCLYJHJ \
  | 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: ff36f5412b6f2409ac3a3890f12f093a43386efabad4f84263cdbbc3c0e38832

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "98b10c7ef72daa2d14c6901818930e7ec2b6be8135fabba1df9be59c847bd8e9",
    "cross_cats_sorted": [
      "math.GT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SG",
    "submitted_at": "2014-05-13T19:46:58Z",
    "title_canon_sha256": "689035ba888edbf3748ab7ce3c6cfadc2f38a4d1a61733d261620fb630b750b1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.3278",
    "kind": "arxiv",
    "version": 1
  }
}