Pith Number

pith:5XWSAK2N

pith:2017:5XWSAK2NJGJCY65BPSGDE4A55R

not attested not anchored not stored refs pending

The effects of different quantum feedback operator types on the parameter precision of detection efficiency in optimal quantum estimation

Guofeng Zhang, Han-Jie Zhu, Shao-Qiang Ma

arxiv:1702.06229 v1 · 2017-02-21 · 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{5XWSAK2NJGJCY65BPSGDE4A55R}

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	2026-05-18T00:47:03.240092Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eded202b4d49922c7ba17c8c32701dec5add33ddc0094a6176f437b37ffc20f3

Aliases

arxiv: 1702.06229 · arxiv_version: 1702.06229v1 · doi: 10.48550/arxiv.1702.06229 · pith_short_12: 5XWSAK2NJGJC · pith_short_16: 5XWSAK2NJGJCY65B · pith_short_8: 5XWSAK2N

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/5XWSAK2NJGJCY65BPSGDE4A55R \
  | 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: eded202b4d49922c7ba17c8c32701dec5add33ddc0094a6176f437b37ffc20f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fb9afb19857bd626c10144e67a15dd4975b88a0ec7fe8873eaf92697ee730b96",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2017-02-21T01:05:04Z",
    "title_canon_sha256": "1be77a50ce5163b67c9fdcf34dc96ecc61a69dd7ee653deb11fd6c0e57fcbd14"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.06229",
    "kind": "arxiv",
    "version": 1
  }
}