Pith Number

pith:CAYRAUDY

pith:2017:CAYRAUDYNQABAIGOSHSYOG2EUH

not attested not anchored not stored refs pending

The Velocity of the Propagating Wave for Spatially Coupled Systems with Applications to LDPC Codes

Nicolas Macris, Rafah El-Khatib

arxiv:1701.04318 v1 · 2017-01-16 · cs.IT · math.IT · nlin.PS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CAYRAUDYNQABAIGOSHSYOG2EUH}

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	2026-05-18T00:52:47.124143Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

10311050786c001020ce91e5871b44a1df6b6559f68aa1d8019414fadcb75165

Aliases

arxiv: 1701.04318 · arxiv_version: 1701.04318v1 · doi: 10.48550/arxiv.1701.04318 · pith_short_12: CAYRAUDYNQAB · pith_short_16: CAYRAUDYNQABAIGO · pith_short_8: CAYRAUDY

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/CAYRAUDYNQABAIGOSHSYOG2EUH \
  | 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: 10311050786c001020ce91e5871b44a1df6b6559f68aa1d8019414fadcb75165

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e4ff639a9f510da34a4f3ebdd6de7d461bda9641e370e52019c2ea85ddb1345f",
    "cross_cats_sorted": [
      "math.IT",
      "nlin.PS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-01-16T15:14:45Z",
    "title_canon_sha256": "e0a1ce9f88cc35fc0ebd7bbb65cdd022148a367f99801b530047f3c213107e06"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.04318",
    "kind": "arxiv",
    "version": 1
  }
}