Pith Number

pith:IUNZPHIY

pith:2014:IUNZPHIYMRNDFOZEHTIVKJDPT4

not attested not anchored not stored refs pending

Probabilistic Metrology Attains Macroscopic Cloning of Quantum Clocks

B. Gendra, E. Bagan, G. Chiribella, J. Calsamiglia, R. Munoz-Tapia

arxiv:1406.2218 v1 · 2014-06-09 · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IUNZPHIYMRNDFOZEHTIVKJDPT4}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T02:30:01.061642Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

451b979d18645a32bb243cd155246f9f049cff1c9ae9bd5f6928edd8d54bb297

Aliases

arxiv: 1406.2218 · arxiv_version: 1406.2218v1 · doi: 10.48550/arxiv.1406.2218 · pith_short_12: IUNZPHIYMRND · pith_short_16: IUNZPHIYMRNDFOZE · pith_short_8: IUNZPHIY

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/IUNZPHIYMRNDFOZEHTIVKJDPT4 \
  | 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: 451b979d18645a32bb243cd155246f9f049cff1c9ae9bd5f6928edd8d54bb297

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4f4315608d7e7a8f3807877ba8eb8e92c41abf02e892a76eee4188178903a9b1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2014-06-09T15:38:22Z",
    "title_canon_sha256": "f045c7032277df36d5194e4cb5610fe1f9a2fcd7bfbc81e0dd1a3b8ceb560d49"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.2218",
    "kind": "arxiv",
    "version": 1
  }
}