Pith Number

pith:KV6TSYVN

pith:2010:KV6TSYVNLBBGA56CVBNE3K6C4E

not attested not anchored not stored refs pending

Minimal memory requirements for pearl-necklace encoders of quantum convolutional codes

Mark M. Wilde, Monireh Houshmand, Saied Hosseini-Khayat

arxiv:1004.5179 v2 · 2010-04-29 · quant-ph · cs.DS

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KV6TSYVNLBBGA56CVBNE3K6C4E}

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	2026-05-18T04:03:32.625376Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

557d3962ad58426077c2a85a4dabc2e12e771d0914787c0d8011d49aed4fb555

Aliases

arxiv: 1004.5179 · arxiv_version: 1004.5179v2 · doi: 10.48550/arxiv.1004.5179 · pith_short_12: KV6TSYVNLBBG · pith_short_16: KV6TSYVNLBBGA56C · pith_short_8: KV6TSYVN

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/KV6TSYVNLBBGA56CVBNE3K6C4E \
  | 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: 557d3962ad58426077c2a85a4dabc2e12e771d0914787c0d8011d49aed4fb555

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dbe93b137bb0f72f59ecc9e11b0e0bcd6be8ee1b9ed670aab5cf36c86cd52149",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2010-04-29T03:44:13Z",
    "title_canon_sha256": "fbebba117824ffe55fe0285ee0e32381d5f3e395f104fac938e77bd17f480870"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1004.5179",
    "kind": "arxiv",
    "version": 2
  }
}