Pith Number

pith:K7BSJLMC

pith:2022:K7BSJLMC3KGHUKCJEKEV2STM3Z

not attested not anchored not stored refs pending

Planets Across Space and Time (PAST). III. Morphology of the Planetary Radius Valley as a Function of Stellar Age and Metallicity in the Galactic Context Revealed by the LAMOST-Gaia-Kepler Sample

Ali Luo, Chao Liu, Di-Chang Chen, Jia-Yi Yang, Ji-Lin. Zhou, Ji Wei Xie, Subo Dong, Weikai Zong, Zheng Zheng, Zi Zhu

arxiv:2204.01940 v1 · 2022-04-05 · astro-ph.EP · 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{K7BSJLMC3KGHUKCJEKEV2STM3Z}

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	2026-07-05T04:20:33.972567Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

57c324ad82da8c7a284922895d4a6cde4b218ca7cf96d4657f6fe1d474bc4f2b

Aliases

arxiv: 2204.01940 · arxiv_version: 2204.01940v1 · doi: 10.48550/arxiv.2204.01940 · pith_short_12: K7BSJLMC3KGH · pith_short_16: K7BSJLMC3KGHUKCJ · pith_short_8: K7BSJLMC

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/K7BSJLMC3KGHUKCJEKEV2STM3Z \
  | 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: 57c324ad82da8c7a284922895d4a6cde4b218ca7cf96d4657f6fe1d474bc4f2b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6ef0246e576121e2f9b6c69565f25e58e0e2b311841bf39ac3fa8ce6c7648c9a",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.SR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2022-04-05T02:21:39Z",
    "title_canon_sha256": "6aefd8fc896bac74047ce451622ab0bf6910348d4d7c813630af1482bc57450c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2204.01940",
    "kind": "arxiv",
    "version": 1
  }
}