Pith Number

pith:4ZRSYI2L

pith:2019:4ZRSYI2LFYW37QZ2BK2GC2R4TX

not attested not anchored not stored refs pending

The RGB No-Signalling Game

Claude Cr\'epeau, Xavier Coiteux-Roy

arxiv:1901.05062 v2 · 2019-01-15 · quant-ph · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4ZRSYI2LFYW37QZ2BK2GC2R4TX}

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	2026-05-17T23:55:26.836660Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e6632c234b2e2dbfc33a0ab4616a3c9ddb3453748101d3a73ec4e28436f42b31

Aliases

arxiv: 1901.05062 · arxiv_version: 1901.05062v2 · doi: 10.48550/arxiv.1901.05062 · pith_short_12: 4ZRSYI2LFYW3 · pith_short_16: 4ZRSYI2LFYW37QZ2 · pith_short_8: 4ZRSYI2L

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/4ZRSYI2LFYW37QZ2BK2GC2R4TX \
  | 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: e6632c234b2e2dbfc33a0ab4616a3c9ddb3453748101d3a73ec4e28436f42b31

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bf3cf78169f746769c1057d598d778a1dbb697d95d5d4437b4bdcb54cd0257c5",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-01-15T21:52:20Z",
    "title_canon_sha256": "0e08864d9783cb47805a433db7eb2c8caf2e4c9bc6fb9dd701cc8150d7bf9506"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.05062",
    "kind": "arxiv",
    "version": 2
  }
}