Pith Number

pith:TAQ7TAFA

pith:2018:TAQ7TAFAPN6AMKBIQSQOQAMSAB

not attested not anchored not stored refs pending

Beyond A/B Testing: Sequential Randomization for Developing Interventions in Scaled Digital Learning Environments

Christopher Brooks, Josh Gardner, Timothy NeCamp

arxiv:1810.11185 v2 · 2018-10-26 · stat.AP · cs.CY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TAQ7TAFAPN6AMKBIQSQOQAMSAB}

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	2026-05-17T23:54:58.800506Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9821f980a07b7c06282884a0e801920043eca5e63a1f938983b388ef88426127

Aliases

arxiv: 1810.11185 · arxiv_version: 1810.11185v2 · doi: 10.48550/arxiv.1810.11185 · pith_short_12: TAQ7TAFAPN6A · pith_short_16: TAQ7TAFAPN6AMKBI · pith_short_8: TAQ7TAFA

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/TAQ7TAFAPN6AMKBIQSQOQAMSAB \
  | 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: 9821f980a07b7c06282884a0e801920043eca5e63a1f938983b388ef88426127

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4c7721a443c0a73aab126b407c863c6e886a49fcf3aecc8db7db626f9d06f757",
    "cross_cats_sorted": [
      "cs.CY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2018-10-26T04:15:51Z",
    "title_canon_sha256": "f20be6c96a7c128c575bcd1400c0e138afd93d4f22ed48c8a175696d7a45001e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.11185",
    "kind": "arxiv",
    "version": 2
  }
}