Pith Number

pith:3XEQQJRD

pith:2025:3XEQQJRDU65V23G46LDTLPVL3W

not attested not anchored not stored refs pending

Metallicities of 20 Million Giant Stars Based on Gaia XP spectra

Bowen Huang, Haibo Yuan, Jinming Zhang, Kai Xiao, Lin Yang, Maosheng Xiang, Meng Zhang, Ruoyi Zhang, Shuai Xu, Timothy C. Beers, Yang Huang

arxiv:2505.05281 v1 · 2025-05-08 · astro-ph.SR · astro-ph.GA · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3XEQQJRDU65V23G46LDTLPVL3W}

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	2026-07-05T11:00:22.122634Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ddc9082623a7bb5d6cdcf2c735beabdda4b2a266aaa01546c66f08ddde61852a

Aliases

arxiv: 2505.05281 · arxiv_version: 2505.05281v1 · doi: 10.48550/arxiv.2505.05281 · pith_short_12: 3XEQQJRDU65V · pith_short_16: 3XEQQJRDU65V23G4 · pith_short_8: 3XEQQJRD

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/3XEQQJRDU65V23G46LDTLPVL3W \
  | 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: ddc9082623a7bb5d6cdcf2c735beabdda4b2a266aaa01546c66f08ddde61852a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dee3094c3a183b93a4c25d6e4b448e7c0ff1554dddea893214390a936f20e255",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2025-05-08T14:27:18Z",
    "title_canon_sha256": "59469cf28350aca54d3ae4048bec9be31085a020817f074efe44d0ce5676b9a2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.05281",
    "kind": "arxiv",
    "version": 1
  }
}