Pith Number

pith:VYA3UZ3U

pith:2023:VYA3UZ3UY2TYLVHJQWMDQXGZUN

not attested not anchored not stored refs pending

Search for Extremely Metal-Poor Stars with GEMINI-N/GRACES I. Chemical-Abundance Analysis

Ho-Gyu Lee, Jae-Rim Koo, Miji Jeong, Soung-Chul Yang, Timothy C. Beers, Vinicius M. Placco, Young Kwang Kim, Young Sun Lee

arxiv:2301.06236 v1 · 2023-01-16 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VYA3UZ3UY2TYLVHJQWMDQXGZUN}

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	2026-07-05T06:08:17.677369Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ae01ba6774c6a785d4e98598385cd9a351608e1651013da4d1919ff925d1bc2e

Aliases

arxiv: 2301.06236 · arxiv_version: 2301.06236v1 · doi: 10.48550/arxiv.2301.06236 · pith_short_12: VYA3UZ3UY2TY · pith_short_16: VYA3UZ3UY2TYLVHJ · pith_short_8: VYA3UZ3U

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/VYA3UZ3UY2TYLVHJQWMDQXGZUN \
  | 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: ae01ba6774c6a785d4e98598385cd9a351608e1651013da4d1919ff925d1bc2e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "efaec9cd9fccfd765aa153622b8ce0661fbb647893cacab31f4b7e1d64bcb225",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2023-01-16T02:42:22Z",
    "title_canon_sha256": "fd2166c2657170b4cec6eea6c29ddd674f2105256c3ecd24ff7c67633afdc548"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2301.06236",
    "kind": "arxiv",
    "version": 1
  }
}