Pith Number

pith:ORQ5QWSQ

pith:2019:ORQ5QWSQPPGXIX7CZX6AVOAELO

not attested not anchored not stored refs pending

Metrics for Learning in Topological Persistence

Henri Riihim\"aki, Jos\'e Lic\'on-Sal\'aiz

arxiv:1906.04436 v1 · 2019-06-11 · cs.LG · physics.data-an · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ORQ5QWSQPPGXIX7CZX6AVOAELO}

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	2026-05-17T23:43:39.278748Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7461d85a507bcd745fe2cdfc0ab8045b9d5421699533f8fcce58c95c8f4b4e45

Aliases

arxiv: 1906.04436 · arxiv_version: 1906.04436v1 · doi: 10.48550/arxiv.1906.04436 · pith_short_12: ORQ5QWSQPPGX · pith_short_16: ORQ5QWSQPPGXIX7C · pith_short_8: ORQ5QWSQ

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/ORQ5QWSQPPGXIX7CZX6AVOAELO \
  | 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: 7461d85a507bcd745fe2cdfc0ab8045b9d5421699533f8fcce58c95c8f4b4e45

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "57256ec4ac3619ba2bcab8a5b3fa4aab45af64e3c21b021edbab44d17473f168",
    "cross_cats_sorted": [
      "physics.data-an",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-06-11T08:17:17Z",
    "title_canon_sha256": "20f923422c7ee5da755e352e6762115b199ddee4a0fc2a14ecca46677dd3aee7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.04436",
    "kind": "arxiv",
    "version": 1
  }
}