Pith Number

pith:OJMPGXDA

pith:2022:OJMPGXDA6RYXG7FID353OYF5KQ

not attested not anchored not stored refs pending

Unsupervised Learning for Stellar Spectra with Deep Normalizing Flows

Ioana Ciuca, Yuan-Sen Ting

arxiv:2207.02785 v1 · 2022-07-06 · astro-ph.SR · astro-ph.IM

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Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OJMPGXDA6RYXG7FID353OYF5KQ}

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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

Denoising Milky Way stellar survey data with normalizing flow models

Receipt and verification

First computed	2026-07-05T04:38:07.784654Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7258f35c60f471737ca81efbb760bd5439076584e83c90eeaf2e18d42c3ab542

Aliases

arxiv: 2207.02785 · arxiv_version: 2207.02785v1 · doi: 10.48550/arxiv.2207.02785 · pith_short_12: OJMPGXDA6RYX · pith_short_16: OJMPGXDA6RYXG7FI · pith_short_8: OJMPGXDA

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/OJMPGXDA6RYXG7FID353OYF5KQ \
  | 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: 7258f35c60f471737ca81efbb760bd5439076584e83c90eeaf2e18d42c3ab542

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8a4f05802c05e220d5c3f4e35a2333a449d1a36e9b7716123c2d3e1b16364c4e",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2022-07-06T16:22:33Z",
    "title_canon_sha256": "1fbf09ce4b2808ee520a7679c0f29a714e268e14d7c2c3348a0eb56dafe0788e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2207.02785",
    "kind": "arxiv",
    "version": 1
  }
}