Pith Number

pith:HT7M7FX6

pith:2018:HT7M7FX6KJFEEVMSC7Q5M7W6I2

not attested not anchored not stored refs pending

Protograph-based Quasi-Cyclic MDPC Codes for McEliece Cryptosystems

Gianluigi Liva, Hannes Bartz

arxiv:1801.07484 v1 · 2018-01-23 · 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{HT7M7FX6KJFEEVMSC7Q5M7W6I2}

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	2026-05-18T00:25:12.730651Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3cfecf96fe524a42559217e1d67ede46b124d21312c60f7ce6b0b77e79d48dba

Aliases

arxiv: 1801.07484 · arxiv_version: 1801.07484v1 · doi: 10.48550/arxiv.1801.07484 · pith_short_12: HT7M7FX6KJFE · pith_short_16: HT7M7FX6KJFEEVMS · pith_short_8: HT7M7FX6

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/HT7M7FX6KJFEEVMSC7Q5M7W6I2 \
  | 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: 3cfecf96fe524a42559217e1d67ede46b124d21312c60f7ce6b0b77e79d48dba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "591d6b4c816528c6d138be9bfc052b8f463ca04f837926ed42e28e7764771a9a",
    "cross_cats_sorted": [
      "cs.CR",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2018-01-23T11:11:32Z",
    "title_canon_sha256": "69ba4735ac46a1bbeb97a9d69fcd63ad0b7f694d1cec45bb3da0b60110675b38"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.07484",
    "kind": "arxiv",
    "version": 1
  }
}