Pith Number

pith:UG4O2WBN

pith:2015:UG4O2WBNZ5HAF7VEWRKDL3TVAQ

not attested not anchored not stored refs pending

The simplest causal inequalities and their violation

Adrien Feix, Cyril Branciard, Fabio Costa, Mateus Ara\'ujo, \v{C}aslav Brukner

arxiv:1508.01704 v1 · 2015-08-07 · 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{UG4O2WBNZ5HAF7VEWRKDL3TVAQ}

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.

Cited by

1 paper in Pith

Toward an Experimental Device-Independent Verification of Indefinite Causal Order

Receipt and verification

First computed	2026-05-18T01:23:48.217824Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a1b8ed582dcf4e02fea4b45435ee750412c86372f69583647e8e78f1b717e458

Aliases

arxiv: 1508.01704 · arxiv_version: 1508.01704v1 · doi: 10.48550/arxiv.1508.01704 · pith_short_12: UG4O2WBNZ5HA · pith_short_16: UG4O2WBNZ5HAF7VE · pith_short_8: UG4O2WBN

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/UG4O2WBNZ5HAF7VEWRKDL3TVAQ \
  | 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: a1b8ed582dcf4e02fea4b45435ee750412c86372f69583647e8e78f1b717e458

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "29478d2f9173d275b4e15b2b052271af5f3ebbdff497715ca3db2fa6ca72a438",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-08-07T14:24:27Z",
    "title_canon_sha256": "d1a0d83c56fb0e74860860ac88823776ba95bdf6383df214aa27ba4d319ce495"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.01704",
    "kind": "arxiv",
    "version": 1
  }
}