Pith Number

pith:YN734TGY

pith:2016:YN734TGYSUUAYT2PF3EUQEHB7L

not attested not anchored not stored refs pending

Distance verification for LDPC codes

Alexey A. Kovalev, Ilya Dumer, Leonid P. Pryadko

arxiv:1605.02410 v1 · 2016-05-09 · cs.IT · math.IT · quant-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YN734TGYSUUAYT2PF3EUQEHB7L}

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	2026-05-18T00:58:09.394976Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c37fbe4cd895280c4f4f2ec94810e1fadbcd11a64479888c24eeaa348ca30421

Aliases

arxiv: 1605.02410 · arxiv_version: 1605.02410v1 · doi: 10.48550/arxiv.1605.02410 · pith_short_12: YN734TGYSUUA · pith_short_16: YN734TGYSUUAYT2P · pith_short_8: YN734TGY

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/YN734TGYSUUAYT2PF3EUQEHB7L \
  | 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: c37fbe4cd895280c4f4f2ec94810e1fadbcd11a64479888c24eeaa348ca30421

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4a21218d51924c85f07afd9bf82c6e52a20f56f4aaba931c0155a32ee13dc014",
    "cross_cats_sorted": [
      "math.IT",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2016-05-09T03:59:36Z",
    "title_canon_sha256": "4727d91fc45c5d3d4243d97058371c1f29533cbdf42ff9893202a69b2c79a7fa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.02410",
    "kind": "arxiv",
    "version": 1
  }
}