pith. sign in
Pith Number

pith:XAICRQGU

pith:2016:XAICRQGUIXB3Q2KIORXS6MEDQN
not attested not anchored not stored refs pending

Quantum channel-estimation with particle loss: GHZ versus W states

Daniel Braun, Julien Mathieu Elias Fra\"isse

arxiv:1608.06221 v1 · 2016-08-22 · quant-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{XAICRQGUIXB3Q2KIORXS6MEDQN}

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 2026-05-18T00:48:27.963364Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

b81028c0d445c3b86948746f2f308383775230102a5edd85a76970515f6317f1

Aliases

arxiv: 1608.06221 · arxiv_version: 1608.06221v1 · doi: 10.48550/arxiv.1608.06221 · pith_short_12: XAICRQGUIXB3 · pith_short_16: XAICRQGUIXB3Q2KI · pith_short_8: XAICRQGU
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/XAICRQGUIXB3Q2KIORXS6MEDQN \
  | 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: b81028c0d445c3b86948746f2f308383775230102a5edd85a76970515f6317f1
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "f696be54e024fa9ef29f534eae7f85f77371e1d1273bb587e8a4e7a5014f4eb3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2016-08-22T16:51:32Z",
    "title_canon_sha256": "e87d3e51f1827df2de0bef11077ce6fd719fbdf5f4bf50452b64d0ea1523d851"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.06221",
    "kind": "arxiv",
    "version": 1
  }
}