Pith Number

pith:MJJXCJCW

pith:2026:MJJXCJCWDRCIXLYOO5TVJC4GNY

not attested not anchored not stored refs pending

Fast Cubical Persistent Homology on 2D and 3D Images via Union-Find, Pruning, and Lookup Tables

Karol Szustakowski, Marie Piraud, Titouan Le Breton

arxiv:2606.04801 v1 · 2026-06-03 · cs.CV

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MJJXCJCWDRCIXLYOO5TVJC4GNY}

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	2026-06-04T01:09:30.606280Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

62537124561c448baf0e7767548b866e13bc72b2b9408f321f672af5534f4078

Aliases

arxiv: 2606.04801 · arxiv_version: 2606.04801v1 · doi: 10.48550/arxiv.2606.04801 · pith_short_12: MJJXCJCWDRCI · pith_short_16: MJJXCJCWDRCIXLYO · pith_short_8: MJJXCJCW

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/MJJXCJCWDRCIXLYOO5TVJC4GNY \
  | 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: 62537124561c448baf0e7767548b866e13bc72b2b9408f321f672af5534f4078

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bf49c219b231a3d517b25d9616ddfd8e95621e6127e9d10248e813f0e6f6a452",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2026-06-03T12:26:52Z",
    "title_canon_sha256": "7dd7388953937f0608de66f8b64df8db5a3f8408b1a00eec948ab1c596f3d817"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.04801",
    "kind": "arxiv",
    "version": 1
  }
}