Pith Number

pith:OGPAK436

pith:2004:OGPAK436WQIMSFARFS7BABECFW

not attested not anchored not stored refs pending

Long-range quantum entanglement in noisy cluster states

Jim Harrington, Robert Raussendorf, Sergey Bravyi

arxiv:quant-ph/0407255 v2 · 2004-07-29 · 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{OGPAK436WQIMSFARFS7BABECFW}

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

Hierarchy of mixed symmetry protected topological states in extended cluster states under subsystem decoherence

Receipt and verification

First computed	2026-07-04T15:03:13.693803Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

719e05737eb410c914112cbe1004822d8056f215f5eeb011f2ec9aa800335171

Aliases

arxiv: quant-ph/0407255 · arxiv_version: quant-ph/0407255v2 · doi: 10.48550/arxiv.quant-ph/0407255 · pith_short_12: OGPAK436WQIM · pith_short_16: OGPAK436WQIMSFAR · pith_short_8: OGPAK436

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/OGPAK436WQIMSFARFS7BABECFW \
  | 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: 719e05737eb410c914112cbe1004822d8056f215f5eeb011f2ec9aa800335171

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f911a72c9411df52c880277507eb133bd2ec67934441d25d12da2ae751147efe",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2004-07-29T18:06:07Z",
    "title_canon_sha256": "536c73718cefbcc416ff4c1857405e3ffcf855d632dc91dec8ab048131a5952d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0407255",
    "kind": "arxiv",
    "version": 2
  }
}