Pith Number

pith:OULYKZLQ

pith:2014:OULYKZLQ4IOP5S65IPDQK5SSBT

not attested not anchored not stored refs pending

Attaining sub-classical metrology in lossy systems with entangled coherent states

J.A. Dunningham, P.A. Knott, W.J. Munro

arxiv:1401.4006 v2 · 2014-01-16 · 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{OULYKZLQ4IOP5S65IPDQK5SSBT}

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	2026-05-18T01:45:24.913009Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7517856570e21cfecbdd43c70576520ce7b2de527a88f1084a82be106733ba8d

Aliases

arxiv: 1401.4006 · arxiv_version: 1401.4006v2 · doi: 10.48550/arxiv.1401.4006 · pith_short_12: OULYKZLQ4IOP · pith_short_16: OULYKZLQ4IOP5S65 · pith_short_8: OULYKZLQ

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/OULYKZLQ4IOP5S65IPDQK5SSBT \
  | 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: 7517856570e21cfecbdd43c70576520ce7b2de527a88f1084a82be106733ba8d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "67ed28edcda854e3b345f82384109cb4ce06cd85a476c1fdd421fc7448e9c2ae",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2014-01-16T12:27:22Z",
    "title_canon_sha256": "342b5f8102ff0806de571eb1ef2bcdb3a84a35fdce06ee8e3870d0f7661bbcc2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.4006",
    "kind": "arxiv",
    "version": 2
  }
}