Pith Number

pith:VQAOYZC7

pith:2014:VQAOYZC7ASQB2OZOG5TJCTHCZH

not attested not anchored not stored refs pending

Noisy Gradient Descent Bit-Flip Decoding for LDPC Codes

Chris Winstead, Emmanuel Boutillon, Gopalakrishnan Sundararajan

arxiv:1402.2773 v3 · 2014-02-12 · 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{VQAOYZC7ASQB2OZOG5TJCTHCZH}

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	2026-05-18T02:32:46.260263Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ac00ec645f04a01d3b2e3766914ce2c9fc23f20a5318856d8bde051b4a7f5ee5

Aliases

arxiv: 1402.2773 · arxiv_version: 1402.2773v3 · doi: 10.48550/arxiv.1402.2773 · pith_short_12: VQAOYZC7ASQB · pith_short_16: VQAOYZC7ASQB2OZO · pith_short_8: VQAOYZC7

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/VQAOYZC7ASQB2OZOG5TJCTHCZH \
  | 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: ac00ec645f04a01d3b2e3766914ce2c9fc23f20a5318856d8bde051b4a7f5ee5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "af4ec6608c1c37eff88ee79a0f9a2d944fc520c3cc26968ffe5e1fb1fc473a02",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2014-02-12T09:57:27Z",
    "title_canon_sha256": "39fbb68f4c83a30381c870b8c6948ffb90a2c229bb09aecc7688f03934fb98ba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.2773",
    "kind": "arxiv",
    "version": 3
  }
}