Pith Number
pith:HHXA5RPQ
pith:2019:HHXA5RPQZGHLWMEJBA4TRD5MB3
not attested
not anchored
not stored
refs pending
Quantum Fisher information matrix and multiparameter estimation
arxiv:1907.08037 v3 · 2019-07-18 · quant-ph
Add to your LaTeX paper
\usepackage{pith}
\pithnumber{HHXA5RPQZGHLWMEJBA4TRD5MB3}
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
· sign in to
claim
4
Citations
5
Replications
✓
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
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
· · · · ·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
}
}