Pith Number

pith:IWFHVUVA

pith:2012:IWFHVUVAOZXQO3FKRHEYLX4SNE

not attested not anchored not stored refs pending

Heegaard Floer homology and several families of Brieskorn spheres

Eamonn Tweedy

arxiv:1206.2558 v2 · 2012-06-12 · 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{IWFHVUVAOZXQO3FKRHEYLX4SNE}

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	2026-05-18T03:29:13.836624Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

458a7ad2a0766f076caa89c985df92691886cf8c2077af90ffbe97a178382b4c

Aliases

arxiv: 1206.2558 · arxiv_version: 1206.2558v2 · doi: 10.48550/arxiv.1206.2558 · pith_short_12: IWFHVUVAOZXQ · pith_short_16: IWFHVUVAOZXQO3FK · pith_short_8: IWFHVUVA

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/IWFHVUVAOZXQO3FKRHEYLX4SNE \
  | 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: 458a7ad2a0766f076caa89c985df92691886cf8c2077af90ffbe97a178382b4c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5a569afa63e87700a9e981d059989b11ff4ac65431fbe0915a292e15eeeab0db",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2012-06-12T15:00:51Z",
    "title_canon_sha256": "effe501e921fa7a5e63019811c2a5f3fcb8f8a247a5d112ad45e60915a993f90"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.2558",
    "kind": "arxiv",
    "version": 2
  }
}