Pith Number

pith:DFX4HKGW

pith:2021:DFX4HKGWVEDEXRJO53K7S5SDVT

not attested not anchored not stored refs pending

Novelty and Primacy: A Long-Term Estimator for Online Experiments

Hao Ai, Jiannan Lu, Ruhan Zhang, Soheil Sadeghi, Somit Gupta, Stefan Gramatovici

arxiv:2102.12893 v1 · 2021-02-18 · cs.HC · stat.ME

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DFX4HKGWVEDEXRJO53K7S5SDVT}

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	2026-07-05T02:18:24.606725Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

196fc3a8d6a9064bc52eeed5f97643acc3a707bb2733f975427428fd7e6bfefc

Aliases

arxiv: 2102.12893 · arxiv_version: 2102.12893v1 · doi: 10.48550/arxiv.2102.12893 · pith_short_12: DFX4HKGWVEDE · pith_short_16: DFX4HKGWVEDEXRJO · pith_short_8: DFX4HKGW

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/DFX4HKGWVEDEXRJO53K7S5SDVT \
  | 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: 196fc3a8d6a9064bc52eeed5f97643acc3a707bb2733f975427428fd7e6bfefc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1e770a27308663ed9dc1a49303920cd9df98449bed17759a73a028bb742f1f03",
    "cross_cats_sorted": [
      "stat.ME"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.HC",
    "submitted_at": "2021-02-18T00:49:53Z",
    "title_canon_sha256": "ff8359d7a668b644b07c397e18504aec0dabc1cdf7b7c53b7d0ac850335184b1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.12893",
    "kind": "arxiv",
    "version": 1
  }
}