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Pith Number

pith:HHXA5RPQ

pith:2019:HHXA5RPQZGHLWMEJBA4TRD5MB3
not attested not anchored not stored refs pending

Quantum Fisher information matrix and multiparameter estimation

Haidong Yuan, Jing Liu, Xiaoguang Wang, Xiao-Ming Lu

arxiv:1907.08037 v3 · 2019-07-18 · quant-ph

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\usepackage{pith}
\pithnumber{HHXA5RPQZGHLWMEJBA4TRD5MB3}

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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.

Cited by

5 papers in Pith

Receipt and verification
First computed 2026-07-05T00:50:43.235519Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

39ee0ec5f0c98ebb30890839388fac0ec0ab52b8b64e8035383abe4f05ce4eb2

Aliases

arxiv: 1907.08037 · arxiv_version: 1907.08037v3 · doi: 10.48550/arxiv.1907.08037 · pith_short_12: HHXA5RPQZGHL · pith_short_16: HHXA5RPQZGHLWMEJ · pith_short_8: HHXA5RPQ
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/HHXA5RPQZGHLWMEJBA4TRD5MB3 \
  | 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: 39ee0ec5f0c98ebb30890839388fac0ec0ab52b8b64e8035383abe4f05ce4eb2
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "e68e1b4d6e7f195f0205c45130883e1dce76310369b0c9d9cad6efac6ca9c25e",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-07-18T13:10:30Z",
    "title_canon_sha256": "66d9c8cefdec1d8559a4aa6c67a73e43949b8e8b4d474fc135b0e64c7c532ee5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.08037",
    "kind": "arxiv",
    "version": 3
  }
}