Pith Number

pith:K4Y2YSK5

pith:2026:K4Y2YSK56TNSYDKFD37V5OFDNE

not attested not anchored not stored refs pending

Prediction-Powered Active Testing

Daolang Huang, Fran\c{c}ois Caron, Kianoosh Ashouritaklimi, Tom Rainforth, Valentin Kilian

arxiv:2607.08347 v1 · 2026-07-09 · stat.ML · cs.LG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{K4Y2YSK56TNSYDKFD37V5OFDNE}

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	2026-07-10T01:19:47.788458Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5731ac495df4db2c0d451eff5eb8a369384d50c0a6b73aa27950f4afbf78592e

Aliases

arxiv: 2607.08347 · arxiv_version: 2607.08347v1 · doi: 10.48550/arxiv.2607.08347 · pith_short_12: K4Y2YSK56TNS · pith_short_16: K4Y2YSK56TNSYDKF · pith_short_8: K4Y2YSK5

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/K4Y2YSK56TNSYDKFD37V5OFDNE \
  | 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: 5731ac495df4db2c0d451eff5eb8a369384d50c0a6b73aa27950f4afbf78592e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4b6f541fc8a32a1f43482671a48a2c53cd8fed25ce6105d4188b2c0d349e414c",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2026-07-09T10:52:24Z",
    "title_canon_sha256": "7442ed6b335aee93aa4a2006d29787996a232f649700d6a0b51509e71176919b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.08347",
    "kind": "arxiv",
    "version": 1
  }
}