Pith Number

pith:OQUMEIBO

pith:2004:OQUMEIBOZGZOFDQ5E2LED6XIOS

not attested not anchored not stored refs pending

Toward a more economical cluster state quantum computation

M. Paternostro, M. S. Kim, M. S. Tame, V. Vedral

arxiv:quant-ph/0412156 v2 · 2004-12-20 · 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{OQUMEIBOZGZOFDQ5E2LED6XIOS}

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	2026-05-18T03:03:55.676590Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7428c2202ec9b2e28e1d269641fae874a1c2f167c882ee67aaad0dc88b280114

Aliases

arxiv: quant-ph/0412156 · arxiv_version: quant-ph/0412156v2 · doi: 10.48550/arxiv.quant-ph/0412156 · pith_short_12: OQUMEIBOZGZO · pith_short_16: OQUMEIBOZGZOFDQ5 · pith_short_8: OQUMEIBO

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/OQUMEIBOZGZOFDQ5E2LED6XIOS \
  | 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: 7428c2202ec9b2e28e1d269641fae874a1c2f167c882ee67aaad0dc88b280114

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f194133d3866d01c0dd1a438b19b3ed35b2f8af6d15329838527fbc5a4bf36b",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2004-12-20T16:35:47Z",
    "title_canon_sha256": "d884beaaa29b0c279b5582f52f7e8f77045ef209d1022b2445ef33842be241c9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0412156",
    "kind": "arxiv",
    "version": 2
  }
}