Pith Number

pith:5PLLI2CI

pith:2023:5PLLI2CI7U3OZLZ3ZLJNDAEAGO

not attested not anchored not stored refs pending

Age Determination of LAMOST Red Giant Branch stars based on the Gradient Boosting Decision Tree method

Giovanni Carraro, Guan-Yu Wang, Hai-Feng Wang, Li-Cai Deng, Li Chen, Lorenzo Spina, Qi-Da Li, Xin Li

arxiv:2310.17196 v2 · 2023-10-26 · 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{5PLLI2CI7U3OZLZ3ZLJNDAEAGO}

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	2026-07-05T08:05:04.435064Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ebd6b46848fd36ecaf3bcad2d1808033a2b236ac00249bad32c163a6b683d4ad

Aliases

arxiv: 2310.17196 · arxiv_version: 2310.17196v2 · doi: 10.48550/arxiv.2310.17196 · pith_short_12: 5PLLI2CI7U3O · pith_short_16: 5PLLI2CI7U3OZLZ3 · pith_short_8: 5PLLI2CI

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/5PLLI2CI7U3OZLZ3ZLJNDAEAGO \
  | 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: ebd6b46848fd36ecaf3bcad2d1808033a2b236ac00249bad32c163a6b683d4ad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "191380ba780f5c0774d61c56551521b133e28f9aa352ca6dc73e5fb0ae2a0355",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2023-10-26T07:23:43Z",
    "title_canon_sha256": "d9393957178e47caaf871c120129f1f188c1a2fc2bf1aa6fccc6b4807d78927e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2310.17196",
    "kind": "arxiv",
    "version": 2
  }
}