Pith Number

pith:DAHLNFH5

pith:2016:DAHLNFH52AN6WOEPSK3W7ZZ75V

not attested not anchored not stored refs pending

Design of LDPC Codes using Multipath EMD Strategies and Progressive Edge Growth

C. T. Healy, R. C. de Lamare

arxiv:1607.05647 v2 · 2016-07-19 · 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{DAHLNFH52AN6WOEPSK3W7ZZ75V}

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	2026-05-18T01:08:45.248277Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

180eb694fdd01beb388f92b76fe73fed5029a5e6104f47714459d8d02a9f3ba9

Aliases

arxiv: 1607.05647 · arxiv_version: 1607.05647v2 · doi: 10.48550/arxiv.1607.05647 · pith_short_12: DAHLNFH52AN6 · pith_short_16: DAHLNFH52AN6WOEP · pith_short_8: DAHLNFH5

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/DAHLNFH52AN6WOEPSK3W7ZZ75V \
  | 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: 180eb694fdd01beb388f92b76fe73fed5029a5e6104f47714459d8d02a9f3ba9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bf78cba5505c1b73bacf1e2839d910d18205b3fb6bd2829e4f4f2c98a7f91df6",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2016-07-19T16:11:26Z",
    "title_canon_sha256": "814ee2c267573ef7db12eea639fed7c23163840d1d19bc58bd3b488463b9e612"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.05647",
    "kind": "arxiv",
    "version": 2
  }
}