Pith Number

pith:ZIVBTKSJ

pith:2025:ZIVBTKSJ3YT7SULAPBGY7XLPMT

not attested not anchored not stored refs pending

Mass, Luminosity, and Stellar Age of Early-type Stars from the LAMOST Survey

Chao Liu, Jianping Xiong, Jiao Li, Qida Li, Xuefei Chen, Yanjun Guo, Zhanwen Han

arxiv:2504.02394 v1 · 2025-04-03 · astro-ph.SR · 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{ZIVBTKSJ3YT7SULAPBGY7XLPMT}

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	2026-07-05T10:43:56.256436Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ca2a19aa49de27f95160784d8fdd6f64df7c99ee3cdd1b47648f1d87cbf8b480

Aliases

arxiv: 2504.02394 · arxiv_version: 2504.02394v1 · doi: 10.48550/arxiv.2504.02394 · pith_short_12: ZIVBTKSJ3YT7 · pith_short_16: ZIVBTKSJ3YT7SULA · pith_short_8: ZIVBTKSJ

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/ZIVBTKSJ3YT7SULAPBGY7XLPMT \
  | 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: ca2a19aa49de27f95160784d8fdd6f64df7c99ee3cdd1b47648f1d87cbf8b480

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cf0d92b6e485a5c7e6d1613459bfa819ed74ff8b48d23e3f154a60fe99658ee3",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2025-04-03T08:41:14Z",
    "title_canon_sha256": "49e9d60a2e583ace00aaaea60929fcb1ad70704ea59a6e48c37d058acb6b8e35"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.02394",
    "kind": "arxiv",
    "version": 1
  }
}