Pith Number

pith:7HZQ5FVZ

pith:2025:7HZQ5FVZQOLCZ7DWG5JGDOCXVG

not attested not anchored not stored refs pending

Shared Stochastic Gaussian Process Latent Variable Models: A Multi-modal Generative Model for Quasar Spectra

Anna-Christina Eilers, Vidhi Lalchand

arxiv:2502.19824 v1 · 2025-02-27 · astro-ph.GA · cs.LG · stat.AP · stat.ME

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7HZQ5FVZQOLCZ7DWG5JGDOCXVG}

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	2026-07-05T10:20:53.337757Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f9f30e96b983962cfc76375261b857a9be10dbd4d2007396fa29149935f7b0ec

Aliases

arxiv: 2502.19824 · arxiv_version: 2502.19824v1 · doi: 10.48550/arxiv.2502.19824 · pith_short_12: 7HZQ5FVZQOLC · pith_short_16: 7HZQ5FVZQOLCZ7DW · pith_short_8: 7HZQ5FVZ

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/7HZQ5FVZQOLCZ7DWG5JGDOCXVG \
  | 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: f9f30e96b983962cfc76375261b857a9be10dbd4d2007396fa29149935f7b0ec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "89af403ee562d47fbb65693d011de19712c579ea1d7edb632e131aaa0aa5d794",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.AP",
      "stat.ME"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2025-02-27T06:57:23Z",
    "title_canon_sha256": "83742d4b4a35096ef7a2f3d559da1d5eeeaf8e0c29bdf0834fefd52284793290"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.19824",
    "kind": "arxiv",
    "version": 1
  }
}