Pith Number

pith:2BJRU4TJ

pith:2018:2BJRU4TJ6GCX53WYNCXZABH424

not attested not anchored not stored refs pending

Designing Experiments to Measure Incrementality on Facebook

Benjamin Paul Chamberlain, C. H. Bryan Liu, Elaine M. Bettaney

arxiv:1806.02588 v2 · 2018-06-07 · stat.ME · cs.DM · 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{2BJRU4TJ6GCX53WYNCXZABH424}

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	2026-05-18T00:10:59.457807Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d0531a7269f1857eeed868af9004fcd701bc580b7d4f157b947d9094cb1a4eb9

Aliases

arxiv: 1806.02588 · arxiv_version: 1806.02588v2 · doi: 10.48550/arxiv.1806.02588 · pith_short_12: 2BJRU4TJ6GCX · pith_short_16: 2BJRU4TJ6GCX53WY · pith_short_8: 2BJRU4TJ

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/2BJRU4TJ6GCX53WYNCXZABH424 \
  | 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: d0531a7269f1857eeed868af9004fcd701bc580b7d4f157b947d9094cb1a4eb9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c28520ef72f5a015656fdfb3c732c74b7bd954ae53bd3aca15f348f6bffaaecc",
    "cross_cats_sorted": [
      "cs.DM",
      "stat.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2018-06-07T09:51:23Z",
    "title_canon_sha256": "efd89d83f89651f6ca0a2d84bf0b18bdad0c5faec9a376589543897cfbabc1c0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.02588",
    "kind": "arxiv",
    "version": 2
  }
}