Pith Number

pith:UHAVUEJQ

pith:2009:UHAVUEJQA2EBBXKKDJSNLA4DRE

not attested not anchored not stored refs pending

Highly entangled multi-qubit states with simple algebraic structure

John A. Clark, Juan E. Tapiador, Julio C. Hernandez-Castro, Susan Stepney

arxiv:0904.3874 v2 · 2009-04-24 · 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{UHAVUEJQA2EBBXKKDJSNLA4DRE}

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

Graph restricted tensors: building blocks for holographic networks

Receipt and verification

First computed	2026-05-18T02:13:57.525613Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a1c15a1130068810dd4a1a64d58383891cfa46936e4ad4235c430815f7fb1ab5

Aliases

arxiv: 0904.3874 · arxiv_version: 0904.3874v2 · doi: 10.48550/arxiv.0904.3874 · pith_short_12: UHAVUEJQA2EB · pith_short_16: UHAVUEJQA2EBBXKK · pith_short_8: UHAVUEJQ

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/UHAVUEJQA2EBBXKKDJSNLA4DRE \
  | 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: a1c15a1130068810dd4a1a64d58383891cfa46936e4ad4235c430815f7fb1ab5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "64f016b4f83d575762cd17f4e71015822226417a8a6c283e1f4d2736020cb347",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2009-04-24T13:54:36Z",
    "title_canon_sha256": "00bb2a6ce65909100eefb82f68e9ccbdd4359bf9fde5ae6f6df0de061db50d22"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.3874",
    "kind": "arxiv",
    "version": 2
  }
}