Pith Number

pith:PWQ6VW6Y

pith:2006:PWQ6VW6Y4QLNXQSQ5INQHMRS55

not attested not anchored not stored refs pending

On non-compact Heegaard splittings

Scott Taylor

arxiv:math/0602581 v2 · 2006-02-26 · 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{PWQ6VW6Y4QLNXQSQ5INQHMRS55}

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	2026-05-18T02:41:31.901521Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7da1eadbd8e416dbc250ea1b03b232ef6dd0a82fff87669c6ce9139133009334

Aliases

arxiv: math/0602581 · arxiv_version: math/0602581v2 · doi: 10.48550/arxiv.math/0602581 · pith_short_12: PWQ6VW6Y4QLN · pith_short_16: PWQ6VW6Y4QLNXQSQ · pith_short_8: PWQ6VW6Y

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/PWQ6VW6Y4QLNXQSQ5INQHMRS55 \
  | 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: 7da1eadbd8e416dbc250ea1b03b232ef6dd0a82fff87669c6ce9139133009334

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2a35cef9d9acc1fbbaca9c2dbe84a24c31e0151c99ce960cf9d7b14623e4d281",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.GT",
    "submitted_at": "2006-02-26T03:28:53Z",
    "title_canon_sha256": "64b7ba278a18ee27b6dc3653bd1b4c7a2dcbd8e90c84fc4cf28b9da9c534cf78"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0602581",
    "kind": "arxiv",
    "version": 2
  }
}