Pith Number

pith:B3ORYRSL

pith:2014:B3ORYRSLCKEZWBQ2KIBSXG2TGA

not attested not anchored not stored refs pending

Quantum metrology: Heisenberg limit with bound entanglement

A. Przysiezna, L. Czekaj, M. Horodecki, P. Horodecki

arxiv:1403.5867 v1 · 2014-03-24 · 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{B3ORYRSLCKEZWBQ2KIBSXG2TGA}

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	2026-05-18T01:25:03.745478Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0edd1c464b12899b061a52032b9b5330239d62a7d4a97ebab8c045d1f693af72

Aliases

arxiv: 1403.5867 · arxiv_version: 1403.5867v1 · doi: 10.48550/arxiv.1403.5867 · pith_short_12: B3ORYRSLCKEZ · pith_short_16: B3ORYRSLCKEZWBQ2 · pith_short_8: B3ORYRSL

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/B3ORYRSLCKEZWBQ2KIBSXG2TGA \
  | 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: 0edd1c464b12899b061a52032b9b5330239d62a7d4a97ebab8c045d1f693af72

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e827654c5f87a570f819f5a4a8b052e244b4f10ac1ddad4dc37ba5a25b9d42dd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2014-03-24T07:01:30Z",
    "title_canon_sha256": "61ee26db7b89a6297b9b6fce2b9a31732424d31e67216217fa44d9f47b1e5a37"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.5867",
    "kind": "arxiv",
    "version": 1
  }
}