Pith Number

pith:3IZ4ANUZ

pith:2019:3IZ4ANUZODNCWFUWQFOT2FV2KU

not attested not anchored not stored refs pending

Convolutional Neural Networks on the HEALPix sphere: a pixel-based algorithm and its application to CMB data analysis

Maurizio Tomasi, Nicoletta Krachmalnicoff

arxiv:1902.04083 v2 · 2019-02-11 · astro-ph.IM

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\usepackage{pith}
\pithnumber{3IZ4ANUZODNCWFUWQFOT2FV2KU}

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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

Deep Needlet: A CNN based full sky component separation method in Needlet space

Receipt and verification

First computed	2026-07-04T23:58:46.704098Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

da33c0369970da2b1696815d3d16ba550eadbb5056fb957fb0d2db06ddd832f2

Aliases

arxiv: 1902.04083 · arxiv_version: 1902.04083v2 · doi: 10.48550/arxiv.1902.04083 · pith_short_12: 3IZ4ANUZODNC · pith_short_16: 3IZ4ANUZODNCWFUW · pith_short_8: 3IZ4ANUZ

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/3IZ4ANUZODNCWFUWQFOT2FV2KU \
  | 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: da33c0369970da2b1696815d3d16ba550eadbb5056fb957fb0d2db06ddd832f2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "373613e7d9d5f784ce1a63a1c51f13c88b8578714e87a5da145851995a51e48b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2019-02-11T19:00:02Z",
    "title_canon_sha256": "342b2d3411506757a14b0b11e513062f1320ec796e3fc49c5e0b51ed3e5e0aaa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.04083",
    "kind": "arxiv",
    "version": 2
  }
}