Pith Number

pith:4NQXUWYQ

pith:1998:4NQXUWYQWROEPHJTK6FCE7TT2Q

not attested not anchored not stored refs pending

No-cloning and superluminal signaling

S.J. van Enk

arxiv:quant-ph/9803030 v1 · 1998-03-13 · 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{4NQXUWYQWROEPHJTK6FCE7TT2Q}

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

1 paper in Pith

Generalized rules for coherence transfer from local to global scale

Receipt and verification

First computed	2026-07-04T14:47:11.213798Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e3617a5b10b45c479d33578a227e73d41892282eb8eae6c882e6472ab9b57663

Aliases

arxiv: quant-ph/9803030 · arxiv_version: quant-ph/9803030v1 · doi: 10.48550/arxiv.quant-ph/9803030 · pith_short_12: 4NQXUWYQWROE · pith_short_16: 4NQXUWYQWROEPHJT · pith_short_8: 4NQXUWYQ

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/4NQXUWYQWROEPHJTK6FCE7TT2Q \
  | 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: e3617a5b10b45c479d33578a227e73d41892282eb8eae6c882e6472ab9b57663

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d986f9c0f200d2b64a456d92ca5fb1c9b0c9794e2e035ce059cce01d5b976471",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "1998-03-13T02:17:57Z",
    "title_canon_sha256": "9261b9ee3fc9d9f60f49ef4771644cf23775cdb4f738292bf436924cb198a60b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/9803030",
    "kind": "arxiv",
    "version": 1
  }
}