Pith Number

pith:6YW7WZJ5

pith:2002:6YW7WZJ5T7PTPPRYLBIQIFR3UU

not attested not anchored not stored refs pending

Heegaard Floer homology and alternating knots

Peter Ozsvath, Zoltan Szabo

arxiv:math/0209149 v3 · 2002-09-12 · 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{6YW7WZJ5T7PTPPRYLBIQIFR3UU}

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	2026-05-18T02:38:00.575164Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f62dfb653d9fdf37be38585104163ba52f8d28049fbbfbeb938537592303ad99

Aliases

arxiv: math/0209149 · arxiv_version: math/0209149v3 · doi: 10.48550/arxiv.math/0209149 · pith_short_12: 6YW7WZJ5T7PT · pith_short_16: 6YW7WZJ5T7PTPPRY · pith_short_8: 6YW7WZJ5

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/6YW7WZJ5T7PTPPRYLBIQIFR3UU \
  | 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: f62dfb653d9fdf37be38585104163ba52f8d28049fbbfbeb938537592303ad99

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "29c8d42d3b8a3bd1ecdf53430699b436afa7f029e051c19404dc335015e80af5",
    "cross_cats_sorted": [
      "math.SG"
    ],
    "license": "",
    "primary_cat": "math.GT",
    "submitted_at": "2002-09-12T16:22:31Z",
    "title_canon_sha256": "eafb998555b25d54937ea83afcf0417de3b8c506baa33f1bf48bcf236c9228fc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0209149",
    "kind": "arxiv",
    "version": 3
  }
}