Pith Number

pith:57HHRRQI

pith:2016:57HHRRQIJQAC57VEPMU3PBRW5I

not attested not anchored not stored refs pending

ABtree: An Algorithm for Subgroup-Based Treatment Assignment

Derek Feng, Xiaofei Wang

arxiv:1605.04262 v1 · 2016-05-13 · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{57HHRRQIJQAC57VEPMU3PBRW5I}

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	2026-05-18T01:14:53.893537Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

efce78c6084c002efea47b29b78636ea1e9fada75f915470674d933562e0281f

Aliases

arxiv: 1605.04262 · arxiv_version: 1605.04262v1 · doi: 10.48550/arxiv.1605.04262 · pith_short_12: 57HHRRQIJQAC · pith_short_16: 57HHRRQIJQAC57VE · pith_short_8: 57HHRRQI

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/57HHRRQIJQAC57VEPMU3PBRW5I \
  | 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: efce78c6084c002efea47b29b78636ea1e9fada75f915470674d933562e0281f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "52f10c071866165294ec8ca95c4ed355074dbf3faa5faef53de3bdd7845dd4a0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2016-05-13T17:27:55Z",
    "title_canon_sha256": "8bd0059ba0d4baccbe8639141dc4f77805daa3a6fa4740babeff79ff42b2c4d8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.04262",
    "kind": "arxiv",
    "version": 1
  }
}