Pith Number

pith:VFQCV6UK

pith:2017:VFQCV6UKAAYZ7BVPJKNFCBSD5S

not attested not anchored not stored refs pending

Channel Simulation in Quantum Metrology

Cosmo Lupo, Gaetana Spedalieri, Riccardo Laurenza, Samuel L. Braunstein, Stefano Pirandola

arxiv:1712.06603 v2 · 2017-12-18 · quant-ph · cond-mat.other · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VFQCV6UKAAYZ7BVPJKNFCBSD5S}

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	2026-05-18T00:18:25.426391Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a9602afa8a00319f86af4a9a510643ec94a917561a46bbd7c04d225cfd8b22d4

Aliases

arxiv: 1712.06603 · arxiv_version: 1712.06603v2 · doi: 10.48550/arxiv.1712.06603 · pith_short_12: VFQCV6UKAAYZ · pith_short_16: VFQCV6UKAAYZ7BVP · pith_short_8: VFQCV6UK

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/VFQCV6UKAAYZ7BVPJKNFCBSD5S \
  | 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: a9602afa8a00319f86af4a9a510643ec94a917561a46bbd7c04d225cfd8b22d4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bcb11dcd54951a1fc6bd2b4fb126ead3e41677ac581979b9d33939bb3faefe0e",
    "cross_cats_sorted": [
      "cond-mat.other",
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2017-12-18T19:00:02Z",
    "title_canon_sha256": "01256aa0693c81cbec037f96ca02111f6d1f93eca8c1f4d27e2d0095fc798f5c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.06603",
    "kind": "arxiv",
    "version": 2
  }
}