Pith Number

pith:LKHMQLPV

pith:2006:LKHMQLPV7GVFLSS4OBWJTNVWLN

not attested not anchored not stored refs pending

Floer homology and surface decompositions

Andras Juhasz

arxiv:math/0609779 v3 · 2006-09-28 · 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{LKHMQLPV7GVFLSS4OBWJTNVWLN}

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	2026-05-18T02:37:59.532631Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5a8ec82df5f9aa55ca5c706c99b6b65b73fc230f979847d19092a6ada2619a96

Aliases

arxiv: math/0609779 · arxiv_version: math/0609779v3 · doi: 10.48550/arxiv.math/0609779 · pith_short_12: LKHMQLPV7GVF · pith_short_16: LKHMQLPV7GVFLSS4 · pith_short_8: LKHMQLPV

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/LKHMQLPV7GVFLSS4OBWJTNVWLN \
  | 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: 5a8ec82df5f9aa55ca5c706c99b6b65b73fc230f979847d19092a6ada2619a96

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e9ba6f5f77aaccaa492063d0bf5a7c7f1ba16ffd6e3f5c8a4f1a56ef076fd6a5",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.GT",
    "submitted_at": "2006-09-28T04:01:49Z",
    "title_canon_sha256": "6022c372ec8cd27bb412e62e7cd789453692d3597df904b76f64a41f3c13241d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0609779",
    "kind": "arxiv",
    "version": 3
  }
}