Pith Number

pith:GLXXCVGZ

pith:2015:GLXXCVGZTPMEYSH3HCDOPF6PF4

not attested not anchored not stored refs pending

New Characterization and Efficient Exhaustive Search Algorithm for Elementary Trapping Sets of Variable-Regular LDPC Codes

Amir H. Banihashemi, Yoones Hashemi

arxiv:1510.04954 v1 · 2015-10-16 · 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{GLXXCVGZTPMEYSH3HCDOPF6PF4}

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	2026-05-18T01:30:00.209276Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

32ef7154d99bd84c48fb3886e797cf2f12dd41b3d0ccb25de79c72300c39e71f

Aliases

arxiv: 1510.04954 · arxiv_version: 1510.04954v1 · doi: 10.48550/arxiv.1510.04954 · pith_short_12: GLXXCVGZTPME · pith_short_16: GLXXCVGZTPMEYSH3 · pith_short_8: GLXXCVGZ

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/GLXXCVGZTPMEYSH3HCDOPF6PF4 \
  | 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: 32ef7154d99bd84c48fb3886e797cf2f12dd41b3d0ccb25de79c72300c39e71f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2e8b781f75f5532c72094ce20eeabcc4f58e8a2bbb221cc7b82ae7676c8a67f7",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2015-10-16T17:18:30Z",
    "title_canon_sha256": "d564029b1add6c4019feab4d5ec66f01ca1c842d1c3f2aec33b714970d21f823"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.04954",
    "kind": "arxiv",
    "version": 1
  }
}