Pith Number

pith:BLICCHLA

pith:2005:BLICCHLAN56XLFVH7RLN5GSBCA

not attested not anchored not stored refs pending

A concordance invariant from the Floer homology of double branched covers

Brendan Owens, Ciprian Manolescu

arxiv:math/0508065 v1 · 2005-08-02 · 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{BLICCHLAN56XLFVH7RLN5GSBCA}

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	2026-05-18T01:05:23.275929Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0ad0211d606f7d7596a7fc56de9a411003c14c0ff6574d092a74e5ea605233ef

Aliases

arxiv: math/0508065 · arxiv_version: math/0508065v1 · doi: 10.48550/arxiv.math/0508065 · pith_short_12: BLICCHLAN56X · pith_short_16: BLICCHLAN56XLFVH · pith_short_8: BLICCHLA

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/BLICCHLAN56XLFVH7RLN5GSBCA \
  | 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: 0ad0211d606f7d7596a7fc56de9a411003c14c0ff6574d092a74e5ea605233ef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "154d00a89638636ab821bd2f099487c9870b406fb3ce1b5f6805ec2b9984f75f",
    "cross_cats_sorted": [
      "math.SG"
    ],
    "license": "",
    "primary_cat": "math.GT",
    "submitted_at": "2005-08-02T20:00:57Z",
    "title_canon_sha256": "0f8dd103ff7cefc6bd604209bdbcee45c8a215f8563cd90eee52f605724c48a4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0508065",
    "kind": "arxiv",
    "version": 1
  }
}