Pith Number

pith:GEPHFFI5

pith:2012:GEPHFFI5S34BHCWSDPU3JNQ72L

not attested not anchored not stored refs pending

The lesson of causal discovery algorithms for quantum correlations: Causal explanations of Bell-inequality violations require fine-tuning

Christopher J. Wood, Robert W. Spekkens

arxiv:1208.4119 v2 · 2012-08-20 · 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{GEPHFFI5S34BHCWSDPU3JNQ72L}

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	2026-05-18T02:25:20.023447Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

311e72951d96f8138ad21be9b4b61fd2cad4e2132f6c0caedbc9d1553e3fb40a

Aliases

arxiv: 1208.4119 · arxiv_version: 1208.4119v2 · doi: 10.48550/arxiv.1208.4119 · pith_short_12: GEPHFFI5S34B · pith_short_16: GEPHFFI5S34BHCWS · pith_short_8: GEPHFFI5

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/GEPHFFI5S34BHCWSDPU3JNQ72L \
  | 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: 311e72951d96f8138ad21be9b4b61fd2cad4e2132f6c0caedbc9d1553e3fb40a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8250d4b394408a292ffb9e16bec40380669eb29dddd3fb2a507d5bca2fddfbe7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-08-20T20:43:13Z",
    "title_canon_sha256": "699ddc3e47c13338cabdaaa4460446edd1af41337af0a4c8c8cea472ea094bc4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.4119",
    "kind": "arxiv",
    "version": 2
  }
}