Pith Number

pith:JER7OGKY

pith:2019:JER7OGKYY2WZRAV3ZCIE6OZ7H4

not attested not anchored not stored refs pending

Eigenvalue Based Detection of a Signal in Colored Noise: Finite and Asymptotic Analyses

Chintha Tellambura, Lahiru D. Chamain, Prathapasinghe Dharmawansa, Saman Atapattu

arxiv:1902.02483 v1 · 2019-02-07 · 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{JER7OGKYY2WZRAV3ZCIE6OZ7H4}

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	2026-05-17T23:54:33.161377Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4923f71958c6ad9882bbc8904f3b3f3f237cee2c1c018c3d6ae24c5c1c988ae8

Aliases

arxiv: 1902.02483 · arxiv_version: 1902.02483v1 · doi: 10.48550/arxiv.1902.02483 · pith_short_12: JER7OGKYY2WZ · pith_short_16: JER7OGKYY2WZRAV3 · pith_short_8: JER7OGKY

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/JER7OGKYY2WZRAV3ZCIE6OZ7H4 \
  | 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: 4923f71958c6ad9882bbc8904f3b3f3f237cee2c1c018c3d6ae24c5c1c988ae8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8ba921ab1f9d31e014d1e3f43481c3a0120ab4a622199a244c536f7c0e728128",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2019-02-07T05:49:54Z",
    "title_canon_sha256": "2d56ac105ff02aa368f9ba90b91fc49f7d1cd295193425bb5c8b14d2676fe5c0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.02483",
    "kind": "arxiv",
    "version": 1
  }
}