Pith Number

pith:35MY2X2S

pith:2018:35MY2X2S2OEGUS67HUD6ADZQXG

not attested not anchored not stored refs pending

Choosing to Rank

Johan Ugander, Stephen Ragain

arxiv:1809.05139 v2 · 2018-09-13 · 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{35MY2X2S2OEGUS67HUD6ADZQXG}

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	2026-05-17T23:55:28.958931Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

df598d5f52d3886a4bdf3d07e00f30b9aeff9b6f4ae607e5268c120c9b2eaeab

Aliases

arxiv: 1809.05139 · arxiv_version: 1809.05139v2 · doi: 10.48550/arxiv.1809.05139 · pith_short_12: 35MY2X2S2OEG · pith_short_16: 35MY2X2S2OEGUS67 · pith_short_8: 35MY2X2S

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/35MY2X2S2OEGUS67HUD6ADZQXG \
  | 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: df598d5f52d3886a4bdf3d07e00f30b9aeff9b6f4ae607e5268c120c9b2eaeab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f3f1aa698c538d29012d0ce4fcb38352d3779f943a1cac91326b557323dd1be1",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2018-09-13T18:43:55Z",
    "title_canon_sha256": "d47110f5fd3f3f7905b669e90fb30ff9aab65bf2461e455390fe14e94fa9a47a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.05139",
    "kind": "arxiv",
    "version": 2
  }
}