Pith Number

pith:QDIFDHCA

pith:2007:QDIFDHCA3BIGPSLERLXMUVBJ34

not attested not anchored not stored refs pending

Quantum Non-Demolition Detection of Strongly Correlated Systems

Anna Sanpera, Eugene S. Polzik, Kai Eckert, Maciej Lewenstein, Mirta Rodriguez, Oriol Romero-Isart

arxiv:0709.0527 v2 · 2007-09-04 · cond-mat.other · 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{QDIFDHCA3BIGPSLERLXMUVBJ34}

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	2026-07-04T15:14:33.493686Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

80d0519c40d85067c9648aeeca5429df11a052da5a45fb74a53b63e736e9bd5d

Aliases

arxiv: 0709.0527 · arxiv_version: 0709.0527v2 · doi: 10.48550/arxiv.0709.0527 · pith_short_12: QDIFDHCA3BIG · pith_short_16: QDIFDHCA3BIGPSLE · pith_short_8: QDIFDHCA

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/QDIFDHCA3BIGPSLERLXMUVBJ34 \
  | 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: 80d0519c40d85067c9648aeeca5429df11a052da5a45fb74a53b63e736e9bd5d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "687bff858ff00fbe41d99591f1afd307463e03aae175888d630bed81a0de8d52",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.other",
    "submitted_at": "2007-09-04T20:13:07Z",
    "title_canon_sha256": "a4a6fc01cfaaf570dcc65e0bb05d6223c37a5c784f215ca9bc0b24e7ac8baabe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0709.0527",
    "kind": "arxiv",
    "version": 2
  }
}