Pith Number

pith:HKATW2JT

pith:2005:HKATW2JT2ZPKGDQ5NTHOEYH5C6

not attested not anchored not stored refs pending

Zero-knowledge against quantum attacks

John Watrous

arxiv:quant-ph/0511020 v1 · 2005-11-03 · 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{HKATW2JT2ZPKGDQ5NTHOEYH5C6}

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	2026-07-04T14:51:50.375914Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3a813b6933d65ea30e1d6ccee260fd1783fb64265504dd0c6f8884ab79a73e3a

Aliases

arxiv: quant-ph/0511020 · arxiv_version: quant-ph/0511020v1 · doi: 10.48550/arxiv.quant-ph/0511020 · pith_short_12: HKATW2JT2ZPK · pith_short_16: HKATW2JT2ZPKGDQ5 · pith_short_8: HKATW2JT

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/HKATW2JT2ZPKGDQ5NTHOEYH5C6 \
  | 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: 3a813b6933d65ea30e1d6ccee260fd1783fb64265504dd0c6f8884ab79a73e3a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f8d94d7cec2faf472b76d22858e32b51c65c4edd2680c4309cb5b5e9fa0c5893",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2005-11-03T19:22:45Z",
    "title_canon_sha256": "a8b0d88dc3b49e82ab0aa8250cf59c08781bd71b305b3f0962daba32df4acd1b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0511020",
    "kind": "arxiv",
    "version": 1
  }
}