Pith Number

pith:VOSCPRDJ

pith:2006:VOSCPRDJN6FQEIMS4QXP5PKSCN

not attested not anchored not stored refs pending

Knot Floer homology of Whitehead doubles

Matthew Hedden

arxiv:math/0606094 v2 · 2006-06-05 · 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{VOSCPRDJN6FQEIMS4QXP5PKSCN}

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	2026-05-18T02:37:59.588703Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aba427c4696f8b022192e42efebd52137d3698c012c8b3b44b9b4f947287e619

Aliases

arxiv: math/0606094 · arxiv_version: math/0606094v2 · doi: 10.48550/arxiv.math/0606094 · pith_short_12: VOSCPRDJN6FQ · pith_short_16: VOSCPRDJN6FQEIMS · pith_short_8: VOSCPRDJ

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/VOSCPRDJN6FQEIMS4QXP5PKSCN \
  | 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: aba427c4696f8b022192e42efebd52137d3698c012c8b3b44b9b4f947287e619

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5c43d7841c452e3c2754a9c933b4f15d6d97df6b537f502777413af348824e7d",
    "cross_cats_sorted": [
      "math.SG"
    ],
    "license": "",
    "primary_cat": "math.GT",
    "submitted_at": "2006-06-05T00:04:07Z",
    "title_canon_sha256": "f6b0f516236ad58c924f469be46a97d7aea3bcc1028afa33bdb4f9afb611ea32"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0606094",
    "kind": "arxiv",
    "version": 2
  }
}