Pith Number

pith:VWQKF5T2

pith:2018:VWQKF5T2ECFF6XSOXEFBLL7FSB

not attested not anchored not stored refs pending

Training Set Debugging Using Trusted Items

Stephen J. Wright, Xiaojin Zhu, Xuezhou Zhang

arxiv:1801.08019 v1 · 2018-01-24 · 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{VWQKF5T2ECFF6XSOXEFBLL7FSB}

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	2026-05-18T00:25:10.313746Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ada0a2f67a208a5f5e4eb90a15afe5904911016c47aa45dc07649a46c4599e49

Aliases

arxiv: 1801.08019 · arxiv_version: 1801.08019v1 · doi: 10.48550/arxiv.1801.08019 · pith_short_12: VWQKF5T2ECFF · pith_short_16: VWQKF5T2ECFF6XSO · pith_short_8: VWQKF5T2

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/VWQKF5T2ECFF6XSOXEFBLL7FSB \
  | 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: ada0a2f67a208a5f5e4eb90a15afe5904911016c47aa45dc07649a46c4599e49

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "670afca5a78f5a500ca24dbba57d41e85df3740fd9d3fcfff80323155595bac0",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2018-01-24T15:21:57Z",
    "title_canon_sha256": "5f37d0b04b5b192e4d720c8900edcc562ad476779ef18633ea609f92f96b4560"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.08019",
    "kind": "arxiv",
    "version": 1
  }
}