Pith Number

pith:KNN4CLLP

pith:2022:KNN4CLLPRN56XP6HTPCAIKRMQB

not attested not anchored not stored refs pending

Emulation of the Cosmic Dawn 21-cm Power Spectrum and Classification of Excess Radio Models Using an Artificial Neural Network

Anastasia Fialkov, Itamar Reis, Rennan Barkana, Sudipta Sikder

arxiv:2201.08205 v2 · 2022-01-20 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KNN4CLLPRN56XP6HTPCAIKRMQB}

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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.

Cited by

1 paper in Pith

Machine Learning and the SKA for Cosmic Dawn and the Epoch of Reionization

Receipt and verification

First computed	2026-07-05T07:31:50.274057Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

535bc12d6f8b7bebbfc79bc4042a2c804e267f91abaa40a3e52452a367174b5b

Aliases

arxiv: 2201.08205 · arxiv_version: 2201.08205v2 · doi: 10.48550/arxiv.2201.08205 · pith_short_12: KNN4CLLPRN56 · pith_short_16: KNN4CLLPRN56XP6H · pith_short_8: KNN4CLLP

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/KNN4CLLPRN56XP6HTPCAIKRMQB \
  | 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: 535bc12d6f8b7bebbfc79bc4042a2c804e267f91abaa40a3e52452a367174b5b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e33bd801e008dfd514f4694178b278d179d0dc9ab6076111fd83c3600775d001",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2022-01-20T14:38:51Z",
    "title_canon_sha256": "f4d431ea4bba5ef68f5b852d2eb844fbc039b821d9683788512aad993849b27f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.08205",
    "kind": "arxiv",
    "version": 2
  }
}