Pith Number

pith:OE4O24TH

pith:2014:OE4O24THQAJYI3KIGXNMYKMBKJ

not attested not anchored not stored refs pending

Comments on a recent proposal of superluminal communication

Giancarlo Ghirardi

arxiv:1411.0893 v1 · 2014-11-04 · 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{OE4O24THQAJYI3KIGXNMYKMBKJ}

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	2026-05-18T02:38:37.982846Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7138ed72678013846d4835dacc2981524a1b7bb08173b4017843c278a9085523

Aliases

arxiv: 1411.0893 · arxiv_version: 1411.0893v1 · doi: 10.48550/arxiv.1411.0893 · pith_short_12: OE4O24THQAJY · pith_short_16: OE4O24THQAJYI3KI · pith_short_8: OE4O24TH

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/OE4O24THQAJYI3KIGXNMYKMBKJ \
  | 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: 7138ed72678013846d4835dacc2981524a1b7bb08173b4017843c278a9085523

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "078be0a549fe56b3ce5c41510afc8d4664056f1af2a4cf794e5baf827c28d208",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2014-11-04T13:01:48Z",
    "title_canon_sha256": "eb46f432b2479f01efc8b26aa7e73cbc393fd745ae872da3b6993bc15d5949d6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.0893",
    "kind": "arxiv",
    "version": 1
  }
}