Pith Number

pith:5LHINNKW

pith:2016:5LHINNKW4RQI3J4HDBSXV7R2TV

not attested not anchored not stored refs pending

Characterization and Efficient Exhaustive Search Algorithm for Elementary Trapping Sets of Irregular LDPC Codes

Amir H. Banihashemi, Yoones Hashemi

arxiv:1611.10014 v1 · 2016-11-30 · 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{5LHINNKW4RQI3J4HDBSXV7R2TV}

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	2026-05-18T00:56:11.394033Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eace86b556e4608da78718657afe3a9d6092694db002f8cc2e34197307411499

Aliases

arxiv: 1611.10014 · arxiv_version: 1611.10014v1 · doi: 10.48550/arxiv.1611.10014 · pith_short_12: 5LHINNKW4RQI · pith_short_16: 5LHINNKW4RQI3J4H · pith_short_8: 5LHINNKW

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/5LHINNKW4RQI3J4HDBSXV7R2TV \
  | 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: eace86b556e4608da78718657afe3a9d6092694db002f8cc2e34197307411499

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "991cee0695cc941d15d8efe8ff20882a0e56f1412b4f132fff8862538cfb8480",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2016-11-30T06:12:45Z",
    "title_canon_sha256": "a97dd6027bda13aac1879c4dfbb0b019b8a39f8787c18464c6ff53be80663f4a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.10014",
    "kind": "arxiv",
    "version": 1
  }
}