Pith Number

pith:UCUO77BA

pith:2018:UCUO77BAHD5BUW7HZM5ODTJIL7

not attested not anchored not stored refs pending

Persistence Codebooks for Topological Data Analysis

Bartosz Zielinski, Mateusz Juda, Matthias Zeppelzauer, Michal Lipinski, Pawel Dlotko

arxiv:1802.04852 v4 · 2018-02-13 · stat.ML · cs.LG · math.AT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UCUO77BAHD5BUW7HZM5ODTJIL7}

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	2026-05-17T23:43:28.533957Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a0a8effc2038fa1a5be7cb3ae1cd285ff7fdcdcea4767130ab1c9a09c56143b0

Aliases

arxiv: 1802.04852 · arxiv_version: 1802.04852v4 · doi: 10.48550/arxiv.1802.04852 · pith_short_12: UCUO77BAHD5B · pith_short_16: UCUO77BAHD5BUW7H · pith_short_8: UCUO77BA

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/UCUO77BAHD5BUW7HZM5ODTJIL7 \
  | 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: a0a8effc2038fa1a5be7cb3ae1cd285ff7fdcdcea4767130ab1c9a09c56143b0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "24ca0fb5faa020f2988fd3926c750a8ae6fd12d073268e86affb623a84d4d191",
    "cross_cats_sorted": [
      "cs.LG",
      "math.AT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2018-02-13T20:49:01Z",
    "title_canon_sha256": "23b2333d7c1fcb79a9eec152caafb9bd7507372c0bbd28a293701758717c0a08"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.04852",
    "kind": "arxiv",
    "version": 4
  }
}