Pith Number

pith:UKVT6SE2

pith:2014:UKVT6SE2AL47COSC5Q4O7CLF5R

not attested not anchored not stored refs pending

No-signaling bounds for quantum cloning and metrology

Michalis Skotiniotis, Pavel Sekatski, Wolfgang D\"ur

arxiv:1412.3361 v2 · 2014-12-10 · 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{UKVT6SE2AL47COSC5Q4O7CLF5R}

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	2026-05-18T01:34:25.151932Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a2ab3f489a02f9f13a42ec38ef8965ec795292ec39c4c4fe5088f1e4e53e8678

Aliases

arxiv: 1412.3361 · arxiv_version: 1412.3361v2 · doi: 10.48550/arxiv.1412.3361 · pith_short_12: UKVT6SE2AL47 · pith_short_16: UKVT6SE2AL47COSC · pith_short_8: UKVT6SE2

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/UKVT6SE2AL47COSC5Q4O7CLF5R \
  | 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: a2ab3f489a02f9f13a42ec38ef8965ec795292ec39c4c4fe5088f1e4e53e8678

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e8909d2f3577d452f8594abb8e05fce729517d14f18d072a04ff220ec22d0575",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2014-12-10T16:44:23Z",
    "title_canon_sha256": "fc46d603123a793f90bdd4f50c47e333e8558b5439fe9d18b71e97be1c469c06"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.3361",
    "kind": "arxiv",
    "version": 2
  }
}