Pith Number

pith:6QQ5LUUP

pith:2014:6QQ5LUUP7AY36SKVFVCJEXQVIU

not attested not anchored not stored refs pending

A Conversation with Donald B. Rubin

Fabrizia Mealli, Fan Li

arxiv:1404.1789 v3 · 2014-04-07 · stat.OT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6QQ5LUUP7AY36SKVFVCJEXQVIU}

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	2026-05-18T02:39:40.616730Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f421d5d28ff831bf49552d44925e15452aad30209ec9ab449e4fbe7933cef5a9

Aliases

arxiv: 1404.1789 · arxiv_version: 1404.1789v3 · doi: 10.48550/arxiv.1404.1789 · pith_short_12: 6QQ5LUUP7AY3 · pith_short_16: 6QQ5LUUP7AY36SKV · pith_short_8: 6QQ5LUUP

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/6QQ5LUUP7AY36SKVFVCJEXQVIU \
  | 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: f421d5d28ff831bf49552d44925e15452aad30209ec9ab449e4fbe7933cef5a9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "912048550ee4aaa09d3659f8b44b83768ca18014510202b3c8fcc13d9ba06372",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.OT",
    "submitted_at": "2014-04-07T13:54:00Z",
    "title_canon_sha256": "74bdbec37e00fb69c36ae781580879a36204093819591df9cc8940ee573ef66f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.1789",
    "kind": "arxiv",
    "version": 3
  }
}