Pith Number

pith:OMOPYDRX

pith:2017:OMOPYDRXHWLMRUBUQCJK56NXBA

not attested not anchored not stored refs pending

Learning Low-Dimensional Metrics

Blake Mason, Lalit Jain, Robert Nowak

arxiv:1709.06171 v2 · 2017-09-18 · 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{OMOPYDRXHWLMRUBUQCJK56NXBA}

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	2026-05-18T00:24:22.350100Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

731cfc0e373d96c8d0348092aef9b70820d8dd3a46234844abd7d2a276ef9a2d

Aliases

arxiv: 1709.06171 · arxiv_version: 1709.06171v2 · doi: 10.48550/arxiv.1709.06171 · pith_short_12: OMOPYDRXHWLM · pith_short_16: OMOPYDRXHWLMRUBU · pith_short_8: OMOPYDRX

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/OMOPYDRXHWLMRUBUQCJK56NXBA \
  | 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: 731cfc0e373d96c8d0348092aef9b70820d8dd3a46234844abd7d2a276ef9a2d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "028870c398494ff91d92cd5a0f5fa0debb2af948b9d94c2486a043932dab2012",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2017-09-18T21:26:43Z",
    "title_canon_sha256": "db2b1a9f471fd87ecdc77d9d5e57c7537c8a830b88f963a71665fbef4ab1a7d9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.06171",
    "kind": "arxiv",
    "version": 2
  }
}