Pith Number

pith:5KE4IY7D

pith:2019:5KE4IY7D5Q6CDBWFO67TGMMIIY

not attested not anchored not stored refs pending

On Heavy-user Bias in A/B Testing

Ali Mahmoudzadeh, Jiannan Lu, Somit Gupta, Sophia Liu, Yu Wang

arxiv:1902.02021 v2 · 2019-02-06 · stat.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5KE4IY7D5Q6CDBWFO67TGMMIIY}

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	2026-07-04T23:53:11.880528Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ea89c463e3ec3c2186c577bf3331884613d468fa4f37c30c4e43ef6d37262859

Aliases

arxiv: 1902.02021 · arxiv_version: 1902.02021v2 · doi: 10.48550/arxiv.1902.02021 · pith_short_12: 5KE4IY7D5Q6C · pith_short_16: 5KE4IY7D5Q6CDBWF · pith_short_8: 5KE4IY7D

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/5KE4IY7D5Q6CDBWFO67TGMMIIY \
  | 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: ea89c463e3ec3c2186c577bf3331884613d468fa4f37c30c4e43ef6d37262859

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2efcd0686455fe906f3045d24c7c5f4f7690b74c48513f7a2df8612a3ee86594",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2019-02-06T04:39:10Z",
    "title_canon_sha256": "f3078c4f6ba32b2c2e2ec0f17ddc3d1ebe9cb1d5e04fc46084b62dd83c85e1cf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.02021",
    "kind": "arxiv",
    "version": 2
  }
}