Pith Number

pith:EK3D34YF

pith:2010:EK3D34YFJKNTK7RP2IPI2P7JVU

not attested not anchored not stored refs pending

Optimized IR-HARQ Schemes Based on Punctured LDPC Codes over the BEC

Emina Soljanin, Iryna Andriyanova

arxiv:1009.2370 v3 · 2010-09-13 · 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{EK3D34YFJKNTK7RP2IPI2P7JVU}

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	2026-05-18T03:54:48.057659Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

22b63df3054a9b357e2fd21e8d3fe9ad153dd7617504afc9c4265e68a874790b

Aliases

arxiv: 1009.2370 · arxiv_version: 1009.2370v3 · doi: 10.48550/arxiv.1009.2370 · pith_short_12: EK3D34YFJKNT · pith_short_16: EK3D34YFJKNTK7RP · pith_short_8: EK3D34YF

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/EK3D34YFJKNTK7RP2IPI2P7JVU \
  | 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: 22b63df3054a9b357e2fd21e8d3fe9ad153dd7617504afc9c4265e68a874790b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a27256f77cd0508ab71f44964d88d095d77256ec0d8ed418a154ac19fa718674",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2010-09-13T12:50:45Z",
    "title_canon_sha256": "52de3a21953c4d77b08035b7a4f25f8548e75acb88fb0f8173fff209751da577"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.2370",
    "kind": "arxiv",
    "version": 3
  }
}