Pith Number

pith:NYMNHHUG

pith:2015:NYMNHHUG5UL2RKWFNZRLJ37UJP

not attested not anchored not stored refs pending

On the Energy Complexity of LDPC Decoder Circuits

Christopher Blake, Frank R. Kschischang

arxiv:1502.07999 v1 · 2015-02-27 · 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{NYMNHHUG5UL2RKWFNZRLJ37UJP}

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	2026-05-18T02:26:01.639219Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6e18d39e86ed17a8aac56e62b4eff44bce1f6ab626b6a5d86513cb6c493cff65

Aliases

arxiv: 1502.07999 · arxiv_version: 1502.07999v1 · doi: 10.48550/arxiv.1502.07999 · pith_short_12: NYMNHHUG5UL2 · pith_short_16: NYMNHHUG5UL2RKWF · pith_short_8: NYMNHHUG

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/NYMNHHUG5UL2RKWFNZRLJ37UJP \
  | 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: 6e18d39e86ed17a8aac56e62b4eff44bce1f6ab626b6a5d86513cb6c493cff65

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "476e4bfd1d64d2d1cbf4e41ce948530da41af9c8a92e67b87a407860e9bc6d8e",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2015-02-27T18:37:09Z",
    "title_canon_sha256": "6f522d20c42762c04848bfe605a434d8b4a21f718c6d5790919b8dd639a422ab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.07999",
    "kind": "arxiv",
    "version": 1
  }
}