Pith Number

pith:ENOLWDBO

pith:2004:ENOLWDBOQJJI6NHBL6KAHBJCQZ

not attested not anchored not stored refs pending

Probabilistic implementation of universal Hadamard and Unitary gates

Ming Yang, Wei Song, Zhuo-Liang Cao

arxiv:quant-ph/0404141 v2 · 2004-04-25 · 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{ENOLWDBOQJJI6NHBL6KAHBJCQZ}

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	2026-07-04T16:50:16.702507Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

235cbb0c2e82528f34e15f9403852286414018aebd7fed59ee82f64cfdcdd348

Aliases

arxiv: quant-ph/0404141 · arxiv_version: quant-ph/0404141v2 · doi: 10.48550/arxiv.quant-ph/0404141 · pith_short_12: ENOLWDBOQJJI · pith_short_16: ENOLWDBOQJJI6NHB · pith_short_8: ENOLWDBO

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/ENOLWDBOQJJI6NHBL6KAHBJCQZ \
  | 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: 235cbb0c2e82528f34e15f9403852286414018aebd7fed59ee82f64cfdcdd348

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4ef24f3361750b26c3a9c822a7fd0fcc2b013f3953e34f43c4f7c385092d8f97",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2004-04-25T02:11:34Z",
    "title_canon_sha256": "32c5bd193d8a6c8855eabcb0b2c0bef225a5860c11118ef4b124aa05c9e5aa59"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0404141",
    "kind": "arxiv",
    "version": 2
  }
}