Pith Number

pith:FJJISUMY

pith:2021:FJJISUMYQTTGD3FIIVCE6R4YBH

not attested not anchored not stored refs pending

An Unbiased Estimator of the Full-sky CMB Angular Power Spectrum at Large Scales using Neural Networks

Pallav Chanda, Rajib Saha

arxiv:2102.04327 v2 · 2021-02-08 · astro-ph.CO · cs.LG · gr-qc · hep-ph · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FJJISUMYQTTGD3FIIVCE6R4YBH}

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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	2026-07-05T03:19:05.134699Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2a5289519884e661eca845444f479809f34b6966e0a9ec5a8dfe1aa776a71736

Aliases

arxiv: 2102.04327 · arxiv_version: 2102.04327v2 · doi: 10.48550/arxiv.2102.04327 · pith_short_12: FJJISUMYQTTG · pith_short_16: FJJISUMYQTTGD3FI · pith_short_8: FJJISUMY

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/FJJISUMYQTTGD3FIIVCE6R4YBH \
  | 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: 2a5289519884e661eca845444f479809f34b6966e0a9ec5a8dfe1aa776a71736

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4cb0c9e5f67e6f1a04b3b4d1dd26974b8d34bf628fd07c72ecf813f2c670bf0a",
    "cross_cats_sorted": [
      "cs.LG",
      "gr-qc",
      "hep-ph",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2021-02-08T16:30:31Z",
    "title_canon_sha256": "954eb5a253b372b822a5623cc030a0f25e1e916b986158956bc98e21b8cd5ec4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.04327",
    "kind": "arxiv",
    "version": 2
  }
}