Pith Number

pith:DFO7FX5V

pith:2026:DFO7FX5VSZPXZZ33JBCMUBRPSZ

not attested not anchored not stored refs pending

Generalization from Low- to Moderate-Resolution Spectra with Neural Networks for Stellar Parameter Estimation: A Case Study with DESI

Alexander S. Szalay, L\'aszl\'o Dobos, Rosemary F.G. Wyse, Tam\'as Budav\'ari, Viska Wei, Xiaosheng Zhao, Yang Huang, Yuan-Sen Ting

arxiv:2602.15021 v2 · 2026-02-16 · astro-ph.SR · astro-ph.GA · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DFO7FX5VSZPXZZ33JBCMUBRPSZ}

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	2026-07-29T01:25:34.894542Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

195df2dfb5965f7ce77b4844ca062f966207df557c854ebd6edae291853292a4

Aliases

arxiv: 2602.15021 · arxiv_version: 2602.15021v2 · doi: 10.48550/arxiv.2602.15021 · pith_short_12: DFO7FX5VSZPX · pith_short_16: DFO7FX5VSZPXZZ33 · pith_short_8: DFO7FX5V

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/DFO7FX5VSZPXZZ33JBCMUBRPSZ \
  | 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: 195df2dfb5965f7ce77b4844ca062f966207df557c854ebd6edae291853292a4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b3c2b140fc109fa72aa9a89d81b2254cd40e83065b98d7c28dba5a433cbf6037",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2026-02-16T18:58:47Z",
    "title_canon_sha256": "ca8bff0433e07a85d408f9be39f45d0c0256cf193f564a7ae8c7335f08e6c12b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2602.15021",
    "kind": "arxiv",
    "version": 2
  }
}