Pith Number

pith:RH6U4UUC

pith:2021:RH6U4UUCQGMDCJL6ZHCGNVZIGF

not attested not anchored not stored refs pending

Quantum Algorithm for Fidelity Estimation

Ji Guan, Junyi Liu, Kean Chen, Mingsheng Ying, Qisheng Wang, Wang Fang, Zhicheng Zhang

arxiv:2103.09076 v2 · 2021-03-16 · 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{RH6U4UUCQGMDCJL6ZHCGNVZIGF}

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.

Cited by

1 paper in Pith

Probabilistic and approximate universal quantum purification machines

Receipt and verification

First computed	2026-07-05T05:29:51.128079Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

89fd4e5282819831257ec9c466d72831480c4712080fd571a8cb3677932cee60

Aliases

arxiv: 2103.09076 · arxiv_version: 2103.09076v2 · doi: 10.48550/arxiv.2103.09076 · pith_short_12: RH6U4UUCQGMD · pith_short_16: RH6U4UUCQGMDCJL6 · pith_short_8: RH6U4UUC

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/RH6U4UUCQGMDCJL6ZHCGNVZIGF \
  | 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: 89fd4e5282819831257ec9c466d72831480c4712080fd571a8cb3677932cee60

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8eea5b81a675848ba627905a6ed505a2c12ce93b91b785214a33720e43b8e461",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2021-03-16T13:57:01Z",
    "title_canon_sha256": "c044e51268218a40bca523a3b422e773238f167de654f390530aa28d7e925ed6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.09076",
    "kind": "arxiv",
    "version": 2
  }
}