Pith Number

pith:6L2IF73U

pith:2022:6L2IF73U6TCONMP75HCUSY7IMO

not attested not anchored not stored refs pending

Embedding cyclic information-theoretic structures in acyclic spacetimes: no-go results for indefinite causality

Renato Renner, V. Vilasini

arxiv:2203.11245 v4 · 2022-03-21 · 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{6L2IF73U6TCONMP75HCUSY7IMO}

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

3 papers in Pith

Impossibility of superluminal signalling rules out causal loops in conical spacetimes

Polycategorical Constructions for Unitary Supermaps of Arbitrary Dimension

Characterizing Signalling: Connections between Causal Inference and Space-time Geometry

Receipt and verification

First computed	2026-07-05T09:16:42.991947Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f2f482ff74f4c4e6b1ffe9c54963e86383d5f384698ad3bc0847140d379fd8f4

Aliases

arxiv: 2203.11245 · arxiv_version: 2203.11245v4 · doi: 10.48550/arxiv.2203.11245 · pith_short_12: 6L2IF73U6TCO · pith_short_16: 6L2IF73U6TCONMP7 · pith_short_8: 6L2IF73U

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/6L2IF73U6TCONMP75HCUSY7IMO \
  | 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: f2f482ff74f4c4e6b1ffe9c54963e86383d5f384698ad3bc0847140d379fd8f4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b142aee30807c3afbf72d962d032eebff2801f5d0fb0c32dcb8143eec1be7dff",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2022-03-21T18:12:44Z",
    "title_canon_sha256": "72c60eff7da1a72f1ca6aa6374b8a600bd99ca3b3e2d4b3955c1b81a6f9bfa0a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2203.11245",
    "kind": "arxiv",
    "version": 4
  }
}