Pith Number

pith:IR3IUOQB

pith:2019:IR3IUOQBL7S53N7OLPUSPKIGJI

not attested not anchored not stored refs pending

Binary Classification using Pairs of Minimum Spanning Trees or N-ary Trees

Alessandro Calefati, Dimitri Ognibene, Ignazio Gallo, Riccardo La Grassa

arxiv:1906.06090 v2 · 2019-06-14 · 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{IR3IUOQBL7S53N7OLPUSPKIGJI}

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	2026-05-17T23:42:32.220076Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

44768a3a015fe5ddb7ee5be927a9064a0d4a97c612c5e714082cfce5140f59d7

Aliases

arxiv: 1906.06090 · arxiv_version: 1906.06090v2 · doi: 10.48550/arxiv.1906.06090 · pith_short_12: IR3IUOQBL7S5 · pith_short_16: IR3IUOQBL7S53N7O · pith_short_8: IR3IUOQB

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/IR3IUOQBL7S53N7OLPUSPKIGJI \
  | 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: 44768a3a015fe5ddb7ee5be927a9064a0d4a97c612c5e714082cfce5140f59d7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1f2023b7d9b810cddee98ced00e0ef41e5f27516b12a2034ba2c19e6b099e5e1",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-06-14T09:28:10Z",
    "title_canon_sha256": "c7ba3caac1c1be67422d8e1d5058a87840109697bf1b7d99cd1eebd622e8d9bf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.06090",
    "kind": "arxiv",
    "version": 2
  }
}