Pith Number

pith:TQC24TQ5

pith:2018:TQC24TQ5KQHALL2D2WIXWT4ITE

not attested not anchored not stored refs pending

An Unsupervised Learning Approach for Data Detection in the Presence of Channel Mismatch and Additive Noise

Kees A. Schouhamer Immink, Kui Cai

arxiv:1812.09024 v1 · 2018-12-21 · eess.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TQC24TQ5KQHALL2D2WIXWT4ITE}

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	2026-05-17T23:57:45.613998Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9c05ae4e1d540e05af43d5917b4f889914d97207fb59c021b2dbe53315e3cb88

Aliases

arxiv: 1812.09024 · arxiv_version: 1812.09024v1 · doi: 10.48550/arxiv.1812.09024 · pith_short_12: TQC24TQ5KQHA · pith_short_16: TQC24TQ5KQHALL2D · pith_short_8: TQC24TQ5

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/TQC24TQ5KQHALL2D2WIXWT4ITE \
  | 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: 9c05ae4e1d540e05af43d5917b4f889914d97207fb59c021b2dbe53315e3cb88

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5210f3ce9701875398f18f49f41b2fc9183d13b492c3b4d5e585ce24d3fc6720",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2018-12-21T10:12:55Z",
    "title_canon_sha256": "f14c74aa0adb4b566dadad801cad4dc1f35f267df1e08fb62aaa63bceb0559aa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.09024",
    "kind": "arxiv",
    "version": 1
  }
}