Pith Number

pith:555K7PFF

pith:2019:555K7PFFEPZWDPHA2VLWST5VHW

not attested not anchored not stored refs pending

A Semi-Supervised Self-Organizing Map for Clustering and Classification

Hansenclever F. Bassani, Pedro H. M. Braga

arxiv:1907.01070 v1 · 2019-07-01 · cs.LG · 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{555K7PFFEPZWDPHA2VLWST5VHW}

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	2026-07-05T00:50:25.191405Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ef7aafbca523f361bce0d557694fb53da316b135fd5cab0abe75e50f808f4009

Aliases

arxiv: 1907.01070 · arxiv_version: 1907.01070v1 · doi: 10.48550/arxiv.1907.01070 · pith_short_12: 555K7PFFEPZW · pith_short_16: 555K7PFFEPZWDPHA · pith_short_8: 555K7PFF

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/555K7PFFEPZWDPHA2VLWST5VHW \
  | 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: ef7aafbca523f361bce0d557694fb53da316b135fd5cab0abe75e50f808f4009

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b68e7868e405b09acfab1c5add84169cf4ede23a774b16fb25ae8ba0b04f7ca1",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-07-01T20:45:01Z",
    "title_canon_sha256": "178b40731cbc04213fec3ae5f2ffaf70faed13c7a03c7818bc775190f86d0d57"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.01070",
    "kind": "arxiv",
    "version": 1
  }
}