Pith Number

pith:WILGLP6A

pith:2018:WILGLP6AILTCVKROVLSROAIGQD

not attested not anchored not stored refs pending

Free Pseudodistance Growth Rates for Spatially Coupled LDPC Codes over the BEC

Cunlu Zhou, David G. M. Mitchell, Roxana Smarandache

arxiv:1809.04253 v1 · 2018-09-12 · 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{WILGLP6AILTCVKROVLSROAIGQD}

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	2026-05-18T00:05:52.991192Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b21665bfc042e62aaa2eaae517010680d341298dcb5e0eb907b9b57676777ccb

Aliases

arxiv: 1809.04253 · arxiv_version: 1809.04253v1 · doi: 10.48550/arxiv.1809.04253 · pith_short_12: WILGLP6AILTC · pith_short_16: WILGLP6AILTCVKRO · pith_short_8: WILGLP6A

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/WILGLP6AILTCVKROVLSROAIGQD \
  | 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: b21665bfc042e62aaa2eaae517010680d341298dcb5e0eb907b9b57676777ccb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "811c4b7407b8308bc4d14a799f52a03d0cd47ff709d09553c3321a4def5dd6e5",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2018-09-12T04:44:53Z",
    "title_canon_sha256": "213697f28dc194e721e2c790c238d83024f78ad61e151ed0cdf02c5e1fc88612"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.04253",
    "kind": "arxiv",
    "version": 1
  }
}