Pith Number

pith:7JWMMCW5

pith:2012:7JWMMCW53OFBF24SLUMV3ZR7TX

not attested not anchored not stored refs pending

Quantum-Dense Metrology

Helge M\"uller-Ebhardt, J\"oran Bauchrowitz, Karsten Danzmann, Melanie Meinders, Roman Schnabel, Sebastian Steinlechner

arxiv:1211.3570 v1 · 2012-11-15 · 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{7JWMMCW53OFBF24SLUMV3ZR7TX}

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	2026-05-18T03:40:39.389791Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fa6cc60adddb8a12eb925d195de63f9dd1a53b0b76da7636f512a13aa4f8be86

Aliases

arxiv: 1211.3570 · arxiv_version: 1211.3570v1 · doi: 10.48550/arxiv.1211.3570 · pith_short_12: 7JWMMCW53OFB · pith_short_16: 7JWMMCW53OFBF24S · pith_short_8: 7JWMMCW5

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/7JWMMCW53OFBF24SLUMV3ZR7TX \
  | 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: fa6cc60adddb8a12eb925d195de63f9dd1a53b0b76da7636f512a13aa4f8be86

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "69d99f740087d2d3064bdaa208ec69f032ec729d80a67ad10b705aa9450463ca",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-11-15T10:50:23Z",
    "title_canon_sha256": "a14a12fae555404bd6287611e47181be343b1e2590a3390ef71f83b3fb984954"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.3570",
    "kind": "arxiv",
    "version": 1
  }
}