Pith Number

pith:EDKNZFWT

pith:2006:EDKNZFWTLRFJARZSSUEDUNI5LR

not attested not anchored not stored refs pending

Link Floer homology detects the Thurston norm

Yi Ni

arxiv:math/0604360 v1 · 2006-04-16 · 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{EDKNZFWTLRFJARZSSUEDUNI5LR}

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	2026-05-18T02:37:59.619769Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

20d4dc96d35c4a90473295083a351d5c55a75a16822fc5668de661a27f8889cd

Aliases

arxiv: math/0604360 · arxiv_version: math/0604360v1 · doi: 10.48550/arxiv.math/0604360 · pith_short_12: EDKNZFWTLRFJ · pith_short_16: EDKNZFWTLRFJARZS · pith_short_8: EDKNZFWT

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/EDKNZFWTLRFJARZSSUEDUNI5LR \
  | 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: 20d4dc96d35c4a90473295083a351d5c55a75a16822fc5668de661a27f8889cd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6da4ad846e2c1ac96b660990a82148c38d68fb10e5d805f471fb9f8399bd8bbc",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.GT",
    "submitted_at": "2006-04-16T20:33:37Z",
    "title_canon_sha256": "958eec3d7a5dee04fbeca16c928a767bac3de89afd339e046fab54c026d0b5ea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0604360",
    "kind": "arxiv",
    "version": 1
  }
}