Pith Number

pith:CJYRY3TR

pith:2019:CJYRY3TRE6IHOSNPEQPXSAJBAQ

not attested not anchored not stored refs pending

A topological data analysis based classification method for multiple measurements

Henri Riihim\"aki, Jakob Theorell, Jan Hillert, Ryan Ramanujam, Wojciech Chach\'olski

arxiv:1904.02971 v1 · 2019-04-05 · cs.LG · math.AT · 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{CJYRY3TRE6IHOSNPEQPXSAJBAQ}

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	2026-05-17T23:49:19.050074Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

12711c6e7127907749af241f790121042fe945c83e1dee607044b822e7d8f12b

Aliases

arxiv: 1904.02971 · arxiv_version: 1904.02971v1 · doi: 10.48550/arxiv.1904.02971 · pith_short_12: CJYRY3TRE6IH · pith_short_16: CJYRY3TRE6IHOSNP · pith_short_8: CJYRY3TR

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/CJYRY3TRE6IHOSNPEQPXSAJBAQ \
  | 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: 12711c6e7127907749af241f790121042fe945c83e1dee607044b822e7d8f12b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1a2c05bd46709bc7c74d0c69f673b75160d53260c868858973a1408b363395a7",
    "cross_cats_sorted": [
      "math.AT",
      "stat.ML"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-04-05T10:06:55Z",
    "title_canon_sha256": "4d056cbbfa6d38cffa98a1c8650ecef0ef70fb102870ab4d7086f7e08aaabda3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.02971",
    "kind": "arxiv",
    "version": 1
  }
}