Pith Number

pith:ZQG5L2KD

pith:2014:ZQG5L2KDGDJ5VCD3JC3F2GA2IF

not attested not anchored not stored refs pending

Decoherence-free subspaces for a quantum register interacting with a spin environment

Dariusz Chru\'sci\'nski, Pawe{\l} Nale\.zyty

arxiv:1409.3494 v1 · 2014-09-11 · 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{ZQG5L2KDGDJ5VCD3JC3F2GA2IF}

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	2026-05-18T02:43:01.199978Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cc0dd5e94330d3da887b48b65d181a417f902d224c2decf52b58b5678685a2e1

Aliases

arxiv: 1409.3494 · arxiv_version: 1409.3494v1 · doi: 10.48550/arxiv.1409.3494 · pith_short_12: ZQG5L2KDGDJ5 · pith_short_16: ZQG5L2KDGDJ5VCD3 · pith_short_8: ZQG5L2KD

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/ZQG5L2KDGDJ5VCD3JC3F2GA2IF \
  | 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: cc0dd5e94330d3da887b48b65d181a417f902d224c2decf52b58b5678685a2e1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "109d52b591ea4ab70847db70fe7c5ad831a249003d94431691d15f72ecb94a90",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2014-09-11T16:30:48Z",
    "title_canon_sha256": "2b4c39661388f4abc7fbba84367f0f6ce71b954047e58166e2a269e14237599a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.3494",
    "kind": "arxiv",
    "version": 1
  }
}