Pith Number

pith:7DAUQKZG

pith:2002:7DAUQKZGZO2J7542F4WK5E73NO

not attested not anchored not stored refs pending

Efficient Universal Leakage Elimination for Physical and Encoded Qubits

D.A. Lidar (University of Toronto), L.-A. Wu, M.S. Byrd

arxiv:quant-ph/0202168 v1 · 2002-02-27 · 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{7DAUQKZGZO2J7542F4WK5E73NO}

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	2026-05-18T01:05:04.599012Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f8c1482b26cbb49ff79a2f2cae93fb6b8a31547567a6a0d601118132103cf4a5

Aliases

arxiv: quant-ph/0202168 · arxiv_version: quant-ph/0202168v1 · doi: 10.48550/arxiv.quant-ph/0202168 · pith_short_12: 7DAUQKZGZO2J · pith_short_16: 7DAUQKZGZO2J7542 · pith_short_8: 7DAUQKZG

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/7DAUQKZGZO2J7542F4WK5E73NO \
  | 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: f8c1482b26cbb49ff79a2f2cae93fb6b8a31547567a6a0d601118132103cf4a5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8002b35b9b8f28aeac24d373d84e0d7368c3f18dd32860a221795a0621789325",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2002-02-27T20:20:47Z",
    "title_canon_sha256": "38e1bf0524ab3cde609b0b407015fe2ba2b774665c3c1ed1ac63c68d98fc9952"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0202168",
    "kind": "arxiv",
    "version": 1
  }
}