Pith Number

pith:QIRRYZT2

pith:2026:QIRRYZT2XYC4IKZHQOAHRWPEJK

not attested not anchored not stored refs pending

Spectra as Language: Large Language Models for Scalable Stellar Parameter and Abundance Inference

A-Li Luo, Cun-Shi Wang, Hai-Ling Lu, Jun-Chao Liang, Shuo Li, Yin-Bi Li, Yu-Yang Li

arxiv:2605.22162 v1 · 2026-05-21 · astro-ph.IM · astro-ph.SR · 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{QIRRYZT2XYC4IKZHQOAHRWPEJK}

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	2026-05-22T01:04:29.362655Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

82231c667abe05c42b27838078d9e44a9466c267e34f83997c7bd9f3f21eb31f

Aliases

arxiv: 2605.22162 · arxiv_version: 2605.22162v1 · doi: 10.48550/arxiv.2605.22162 · pith_short_12: QIRRYZT2XYC4 · pith_short_16: QIRRYZT2XYC4IKZH · pith_short_8: QIRRYZT2

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/QIRRYZT2XYC4IKZHQOAHRWPEJK \
  | 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: 82231c667abe05c42b27838078d9e44a9466c267e34f83997c7bd9f3f21eb31f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5259ddbada2eabef348e2d0891e178bf6259e2bac1325edf682dcd290b5f820c",
    "cross_cats_sorted": [
      "astro-ph.SR",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2026-05-21T08:33:47Z",
    "title_canon_sha256": "fc6d68944e4799a603e4e6291ea69246c7645f3a280d0cdd4e1b28c8507b55db"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.22162",
    "kind": "arxiv",
    "version": 1
  }
}