Pith Number

pith:5NE2ILZL

pith:2021:5NE2ILZLORLXTPFHWDYVIFVSU6

not attested not anchored not stored refs pending

A general framework for cyclic and fine-tuned causal models and their compatibility with space-time

Roger Colbeck, V. Vilasini

arxiv:2109.12128 v3 · 2021-09-24 · quant-ph · gr-qc · math.ST · stat.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5NE2ILZLORLXTPFHWDYVIFVSU6}

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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

Impossibility of superluminal signalling rules out causal loops in conical spacetimes

Receipt and verification

First computed	2026-07-05T07:55:17.764276Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eb49a42f2b745779bca7b0f15416b2a7a6d62f64a4565d629772870b7534fe7f

Aliases

arxiv: 2109.12128 · arxiv_version: 2109.12128v3 · doi: 10.48550/arxiv.2109.12128 · pith_short_12: 5NE2ILZLORLX · pith_short_16: 5NE2ILZLORLXTPFH · pith_short_8: 5NE2ILZL

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/5NE2ILZLORLXTPFHWDYVIFVSU6 \
  | 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: eb49a42f2b745779bca7b0f15416b2a7a6d62f64a4565d629772870b7534fe7f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e9373f9fa6feafe1da63375afed826cacf3e14d7995cca6be505a1e8c5fd0c81",
    "cross_cats_sorted": [
      "gr-qc",
      "math.ST",
      "stat.TH"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2021-09-24T18:00:08Z",
    "title_canon_sha256": "d45df6addfc0d70414103d618fe7ac35303a6cd99e80af7a7b78110dac7dc832"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.12128",
    "kind": "arxiv",
    "version": 3
  }
}