Pith Number

pith:BQVWDV63

pith:2014:BQVWDV63QAAOXPVBRBCCIB4TR4

not attested not anchored not stored refs pending

A graph-separation theorem for quantum causal models

Caslav Brukner, Jacques Pienaar

arxiv:1406.0430 v3 · 2014-06-02 · 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{BQVWDV63QAAOXPVBRBCCIB4TR4}

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	2026-05-18T01:35:40.330750Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0c2b61d7db8000ebbea188442407938f0ebbc3368df739cc8f3055695e94ca8c

Aliases

arxiv: 1406.0430 · arxiv_version: 1406.0430v3 · doi: 10.48550/arxiv.1406.0430 · pith_short_12: BQVWDV63QAAO · pith_short_16: BQVWDV63QAAOXPVB · pith_short_8: BQVWDV63

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/BQVWDV63QAAOXPVBRBCCIB4TR4 \
  | 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: 0c2b61d7db8000ebbea188442407938f0ebbc3368df739cc8f3055695e94ca8c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d7e1813e3f0f31dd98f77710826fda67891104f0f2c3707073aff9f505702e28",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2014-06-02T16:23:25Z",
    "title_canon_sha256": "9a7d81998eaaee2a9aeb081cbbde043ddaadad1b4022638deed1e65644e7ba8f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.0430",
    "kind": "arxiv",
    "version": 3
  }
}