Pith Number

pith:PGCRC4HF

pith:2025:PGCRC4HFI5SMCURTTPM22WZWD3

not attested not anchored not stored refs pending

A Metallicity Catalog of Very Metal-poor Main-sequence Turn-off and Red Giant Stars from LAMOST DR10

Huawei Zhang, Huiling Chen, Jifeng Liu, Linxuan Zhu, Timothy C. Beers, Xiangyu Li, Yang Huang

arxiv:2506.09705 v1 · 2025-06-11 · astro-ph.GA · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PGCRC4HFI5SMCURTTPM22WZWD3}

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	2026-07-05T11:19:55.598470Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

79851170e54764c152339bd9ad5b361ee696a0b16aac10638fde4d0131f9e598

Aliases

arxiv: 2506.09705 · arxiv_version: 2506.09705v1 · doi: 10.48550/arxiv.2506.09705 · pith_short_12: PGCRC4HFI5SM · pith_short_16: PGCRC4HFI5SMCURT · pith_short_8: PGCRC4HF

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/PGCRC4HFI5SMCURTTPM22WZWD3 \
  | 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: 79851170e54764c152339bd9ad5b361ee696a0b16aac10638fde4d0131f9e598

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4e92704f08c1b2a16d4df06ec3f4f578d35ab9ec91ecc29138e11795bb1806a9",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2025-06-11T13:19:05Z",
    "title_canon_sha256": "5da39052f6c64b68aef9920fcea75503bd364b8bec944dccaeca4a7c899c3269"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.09705",
    "kind": "arxiv",
    "version": 1
  }
}