Pith Number

pith:IQ7NRYOB

pith:2012:IQ7NRYOBQRJ3QZMHVKW3TDCXQT

not attested not anchored not stored refs pending

Existence of Faster Than Light Signals Implies Hypercomputation Already in Special Relativity

Gergely Sz\'ekely, P\'eter N\'emeti

arxiv:1204.1773 v1 · 2012-04-09 · gr-qc · math.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IQ7NRYOBQRJ3QZMHVKW3TDCXQT}

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	2026-05-18T03:40:03.098931Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

443ed8e1c18453b86587aaadb98c5784fe7d4e67b6ffb1eec81706669a89f9bb

Aliases

arxiv: 1204.1773 · arxiv_version: 1204.1773v1 · doi: 10.48550/arxiv.1204.1773 · pith_short_12: IQ7NRYOBQRJ3 · pith_short_16: IQ7NRYOBQRJ3QZMH · pith_short_8: IQ7NRYOB

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/IQ7NRYOBQRJ3QZMHVKW3TDCXQT \
  | 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: 443ed8e1c18453b86587aaadb98c5784fe7d4e67b6ffb1eec81706669a89f9bb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0aa04c9d2906e77896b40ec95fe1f3c6e82ccc030734d2549505a98f3c1b1a96",
    "cross_cats_sorted": [
      "math.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2012-04-09T00:21:25Z",
    "title_canon_sha256": "fba54b05b1da609a2eb5072900e1f82fcb29f09c16d1e302d27a92815404e1c0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.1773",
    "kind": "arxiv",
    "version": 1
  }
}