Pith Number

pith:EI7MRSIQ

pith:2005:EI7MRSIQSLUQLJ5DVHNMUMSG54

not attested not anchored not stored refs pending

Knot Floer homology and rational surgeries

Peter Ozsvath, Zoltan Szabo

arxiv:math/0504404 v1 · 2005-04-20 · 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{EI7MRSIQSLUQLJ5DVHNMUMSG54}

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	2026-05-18T02:41:32.058961Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

223ec8c91092e905a7a3a9daca3246ef0dc8fbec8dd84f4ce64c0727a9ad22f8

Aliases

arxiv: math/0504404 · arxiv_version: math/0504404v1 · doi: 10.48550/arxiv.math/0504404 · pith_short_12: EI7MRSIQSLUQ · pith_short_16: EI7MRSIQSLUQLJ5D · pith_short_8: EI7MRSIQ

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/EI7MRSIQSLUQLJ5DVHNMUMSG54 \
  | 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: 223ec8c91092e905a7a3a9daca3246ef0dc8fbec8dd84f4ce64c0727a9ad22f8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c854fe8277a99b96c74934521d77e01a48fd96459e9486f99805e5c33cdb065d",
    "cross_cats_sorted": [
      "math.SG"
    ],
    "license": "",
    "primary_cat": "math.GT",
    "submitted_at": "2005-04-20T07:23:40Z",
    "title_canon_sha256": "bc383e1c097f50362420655786d5131971f1ae40dec262e8ded5988de59bb010"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0504404",
    "kind": "arxiv",
    "version": 1
  }
}