Pith Number

pith:DBZKKQLO

pith:2024:DBZKKQLOE5XCALKHL6KLUSCJIT

not attested not anchored not stored refs pending

Optimal Trace Distance and Fidelity Estimations for Pure Quantum States

Qisheng Wang

arxiv:2408.16655 v1 · 2024-08-29 · quant-ph · cs.CC · cs.DS · cs.IT · math.IT

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DBZKKQLOE5XCALKHL6KLUSCJIT}

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

On estimating operator norm distance, with optimal trace distance estimation when one state is pure

Receipt and verification

First computed	2026-07-05T09:40:42.095686Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1872a5416e276e202d475f94ba484944ea3ff6436b5b97ac4cc05aac9eb959d0

Aliases

arxiv: 2408.16655 · arxiv_version: 2408.16655v1 · doi: 10.48550/arxiv.2408.16655 · pith_short_12: DBZKKQLOE5XC · pith_short_16: DBZKKQLOE5XCALKH · pith_short_8: DBZKKQLO

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/DBZKKQLOE5XCALKHL6KLUSCJIT \
  | 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: 1872a5416e276e202d475f94ba484944ea3ff6436b5b97ac4cc05aac9eb959d0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5504f0f9b56d33300146dce9a30e85036884db0d4c7118d644f7da958dab0b84",
    "cross_cats_sorted": [
      "cs.CC",
      "cs.DS",
      "cs.IT",
      "math.IT"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2024-08-29T15:59:55Z",
    "title_canon_sha256": "f3414e3bd13afb67f44e4efb89f323c65539f66b709fd755f42282562a8d1bb1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2408.16655",
    "kind": "arxiv",
    "version": 1
  }
}