Pith Number

pith:PSISWG65

pith:2010:PSISWG65PYUXHPUWSLMDW2NCGL

not attested not anchored not stored refs pending

Apologizing Comment on `Quantum Quasi-Cyclic Low-Density Parity-Check codes$\,$"

Dazu Huang, Xin Li, Ying Guo, Zhigang Chen

arxiv:1004.4488 v3 · 2010-04-26 · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PSISWG65PYUXHPUWSLMDW2NCGL}

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	2026-05-18T02:24:16.183161Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c912b1bdd7e2973be9692d83b69a232d4da1e0d5baea44a55556e4f94b6a569

Aliases

arxiv: 1004.4488 · arxiv_version: 1004.4488v3 · doi: 10.48550/arxiv.1004.4488 · pith_short_12: PSISWG65PYUX · pith_short_16: PSISWG65PYUXHPUW · pith_short_8: PSISWG65

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/PSISWG65PYUXHPUWSLMDW2NCGL \
  | 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: 7c912b1bdd7e2973be9692d83b69a232d4da1e0d5baea44a55556e4f94b6a569

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "afff84712822fba11cad5d3a7f8d33f0e937c57b48c9d30eefc2290c97302bbe",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2010-04-26T11:31:56Z",
    "title_canon_sha256": "fcfb9cf5e9cb92d944241420050d744c4a22dd0353d192404c947415744ac5e7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1004.4488",
    "kind": "arxiv",
    "version": 3
  }
}