Pith Number

pith:HSQ3H44K

pith:2017:HSQ3H44KQV7MDSQNTD4ZKCO2FN

not attested not anchored not stored refs pending

Reichenbachian common cause systems of size 3 in general probability theories

Yuichiro Kitajima

arxiv:1704.01227 v2 · 2017-04-05 · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HSQ3H44KQV7MDSQNTD4ZKCO2FN}

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	2026-05-18T00:46:12.028252Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3ca1b3f38a857ec1ca0d98f99509da2b66052ffa965c85147b90201708137003

Aliases

arxiv: 1704.01227 · arxiv_version: 1704.01227v2 · doi: 10.48550/arxiv.1704.01227 · pith_short_12: HSQ3H44KQV7M · pith_short_16: HSQ3H44KQV7MDSQN · pith_short_8: HSQ3H44K

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/HSQ3H44KQV7MDSQNTD4ZKCO2FN \
  | 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: 3ca1b3f38a857ec1ca0d98f99509da2b66052ffa965c85147b90201708137003

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8e57604ce80262435b03d0f0434af900246bc583371321b0888facc294cc16de",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2017-04-05T00:41:34Z",
    "title_canon_sha256": "e1068fbcf7c4783d7c4e65aa9df99addddd7e1d50e02df794e6217a65fca2581"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.01227",
    "kind": "arxiv",
    "version": 2
  }
}