Pith Number

pith:MGNTVK4X

pith:2009:MGNTVK4XI5L2ZKVCKDRR64HHID

not attested not anchored not stored refs pending

High performance entanglement-assisted quantum LDPC codes need little entanglement

Li-Yi Hsu, Min-Hsiu Hsieh, Wen-Tai Yen

arxiv:0906.5532 v2 · 2009-06-30 · 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{MGNTVK4XI5L2ZKVCKDRR64HHID}

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	2026-05-18T04:25:37.963390Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

619b3aab974757acaaa250e31f70e740d4405eac91315bba113f2b76909219aa

Aliases

arxiv: 0906.5532 · arxiv_version: 0906.5532v2 · doi: 10.48550/arxiv.0906.5532 · pith_short_12: MGNTVK4XI5L2 · pith_short_16: MGNTVK4XI5L2ZKVC · pith_short_8: MGNTVK4X

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/MGNTVK4XI5L2ZKVCKDRR64HHID \
  | 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: 619b3aab974757acaaa250e31f70e740d4405eac91315bba113f2b76909219aa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cdf8a254ffecf7cca05d596d9e5ca65a9da8582b858eb26302b9d0c2a1f9b4eb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2009-06-30T14:09:00Z",
    "title_canon_sha256": "faea01ed4f25b71fc1cc6611376802312d8e95d012fa1776f1f896b4d6c5249d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.5532",
    "kind": "arxiv",
    "version": 2
  }
}