Pith Number

pith:5D5D7RHP

pith:2013:5D5D7RHPEHQDNRRZOWM6TIYXGN

not attested not anchored not stored refs pending

Protected state enhanced quantum metrology with interacting two-level ensembles

Claudiu Genes, Helmut Ritsch, Laurin Ostermann

arxiv:1307.2558 v1 · 2013-07-09 · 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{5D5D7RHPEHQDNRRZOWM6TIYXGN}

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	2026-05-18T03:11:57.220687Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e8fa3fc4ef21e036c6397599e9a317337d84fba8e6bee18d41085c4e48afee62

Aliases

arxiv: 1307.2558 · arxiv_version: 1307.2558v1 · doi: 10.48550/arxiv.1307.2558 · pith_short_12: 5D5D7RHPEHQD · pith_short_16: 5D5D7RHPEHQDNRRZ · pith_short_8: 5D5D7RHP

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/5D5D7RHPEHQDNRRZOWM6TIYXGN \
  | 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: e8fa3fc4ef21e036c6397599e9a317337d84fba8e6bee18d41085c4e48afee62

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a5348af3b4264b6233e90925755b4e3ebd0595fd637221b9aa8a1e9ddc405f07",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2013-07-09T19:38:51Z",
    "title_canon_sha256": "e1d94114edad5eea441cd74b0413c726568b24db5035fcedaa9144ec609ab435"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.2558",
    "kind": "arxiv",
    "version": 1
  }
}