Pith Number

pith:7FQF4HVF

pith:2017:7FQF4HVF6KWDKMF6RLS2EMSCHT

not attested not anchored not stored refs pending

Why Adaptively Collected Data Have Negative Bias and How to Correct for It

James Zou, Jonathan Taylor, Xiaoying Tian, Xinkun Nie

arxiv:1708.01977 v2 · 2017-08-07 · 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{7FQF4HVF6KWDKMF6RLS2EMSCHT}

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	2026-05-18T00:27:00.329671Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f9605e1ea5f2ac3530be8ae5a232423ce777fad69723d4ecaa69b6bd45697ef4

Aliases

arxiv: 1708.01977 · arxiv_version: 1708.01977v2 · doi: 10.48550/arxiv.1708.01977 · pith_short_12: 7FQF4HVF6KWD · pith_short_16: 7FQF4HVF6KWDKMF6 · pith_short_8: 7FQF4HVF

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/7FQF4HVF6KWDKMF6RLS2EMSCHT \
  | 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: f9605e1ea5f2ac3530be8ae5a232423ce777fad69723d4ecaa69b6bd45697ef4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b297ad50327140b66d26220f733cac7a5fb33fe801a7860fdc5b9c23daf64b1c",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2017-08-07T03:30:05Z",
    "title_canon_sha256": "5963556545b0310d0a09d4e874fdcbf1da32e5a494c3984c30468cfb169e7eb8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.01977",
    "kind": "arxiv",
    "version": 2
  }
}