Pith Number

pith:PDGXHM6O

pith:2013:PDGXHM6O4NZW6LFUZUZAXCT3IU

not attested not anchored not stored refs pending

Improving the efficiency of the LDPC code-based McEliece cryptosystem through irregular codes

Franco Chiaraluce, Marco Baldi, Marco Bianchi, Nicola Maturo

arxiv:1306.3896 v2 · 2013-06-17 · cs.IT · cs.CR · 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{PDGXHM6O4NZW6LFUZUZAXCT3IU}

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	2026-05-18T03:19:00.929626Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

78cd73b3cee3736f2cb4cd320b8a7b4530489defeab1ca84df71cdbdd3e22404

Aliases

arxiv: 1306.3896 · arxiv_version: 1306.3896v2 · doi: 10.48550/arxiv.1306.3896 · pith_short_12: PDGXHM6O4NZW · pith_short_16: PDGXHM6O4NZW6LFU · pith_short_8: PDGXHM6O

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/PDGXHM6O4NZW6LFUZUZAXCT3IU \
  | 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: 78cd73b3cee3736f2cb4cd320b8a7b4530489defeab1ca84df71cdbdd3e22404

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c108d0914afd4551bf0fd55b2afd228bfff82d7d94d64f8e206abf22f0c19b48",
    "cross_cats_sorted": [
      "cs.CR",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2013-06-17T15:30:57Z",
    "title_canon_sha256": "3dc778f682653dfca282b877edf5586c4612ca0c4d828fd9c8ce96ce57d34851"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.3896",
    "kind": "arxiv",
    "version": 2
  }
}