Pith Number

pith:O3KHVOZA

pith:2004:O3KHVOZA4L3AI5X5KZEOYWXZCD

not attested not anchored not stored refs pending

Distance measures to compare real and ideal quantum processes

Alexei Gilchrist, Michael A. Nielsen, Nathan K. Langford

arxiv:quant-ph/0408063 v2 · 2004-08-10 · 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{O3KHVOZA4L3AI5X5KZEOYWXZCD}

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

Multi-Qubit Dyadic Phase Fixing for Fault-Tolerant Quantum Compilation

Receipt and verification

First computed	2026-07-04T15:36:55.060410Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

76d47abb20e2f60476fd5648ec5af910d98b3f17150bc4fb85c3b9ef075388c9

Aliases

arxiv: quant-ph/0408063 · arxiv_version: quant-ph/0408063v2 · doi: 10.48550/arxiv.quant-ph/0408063 · pith_short_12: O3KHVOZA4L3A · pith_short_16: O3KHVOZA4L3AI5X5 · pith_short_8: O3KHVOZA

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/O3KHVOZA4L3AI5X5KZEOYWXZCD \
  | 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: 76d47abb20e2f60476fd5648ec5af910d98b3f17150bc4fb85c3b9ef075388c9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f2e3c48f1234c117a3d491c0163ef4e4405aff9767a1f09f021dcd7f25056b5e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2004-08-10T00:15:33Z",
    "title_canon_sha256": "6a174d7ae6dd5ac945ff01b498710a6a57899d25dc8d30e374ed23c3eda2c720"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0408063",
    "kind": "arxiv",
    "version": 2
  }
}