Pith Number

pith:THULAWCD

pith:2011:THULAWCD6ZEMVI2J4SVC3TFZG3

not attested not anchored not stored refs pending

Low-complexity quantum codes designed via codeword-stabilized framework

Alexey A. Kovalev, Ilya Dumer, Leonid P. Pryadko

arxiv:1108.5490 v1 · 2011-08-28 · 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{THULAWCD6ZEMVI2J4SVC3TFZG3}

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	2026-05-18T04:01:49.555865Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

99e8b05843f648caa349e4aa2dccb936f5059148ab90efc2c396c2b91302fe64

Aliases

arxiv: 1108.5490 · arxiv_version: 1108.5490v1 · doi: 10.48550/arxiv.1108.5490 · pith_short_12: THULAWCD6ZEM · pith_short_16: THULAWCD6ZEMVI2J · pith_short_8: THULAWCD

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/THULAWCD6ZEMVI2J4SVC3TFZG3 \
  | 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: 99e8b05843f648caa349e4aa2dccb936f5059148ab90efc2c396c2b91302fe64

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "24778b9524e88a421fa4f3666c78e752c5dd16d55afcbbcbd25348f724e0e420",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2011-08-28T02:44:21Z",
    "title_canon_sha256": "5d4debf3e147fb529038c95b8819c39f6f249f14c9ce86fafbd688af9e33efa7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.5490",
    "kind": "arxiv",
    "version": 1
  }
}