Pith Number

pith:RPRFLB2Z

pith:2021:RPRFLB2Z4T4UMB566KADUJSQEZ

not attested not anchored not stored refs pending

Lithium Evolution of Giant Stars Observed by LAMOST and Kepler

Chun-Qian Li, Gang Zhao, Hong-Liang Yan, Jian-rong Shi, Jinghua Zhang, Qi Gao, Shaolan Bi, Shuai Liu, Xianfei Zhang, Yaguang Li, Yan Li

arxiv:2108.13030 v1 · 2021-08-30 · 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{RPRFLB2Z4T4UMB566KADUJSQEZ}

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	2026-07-05T03:17:58.665269Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8be2558759e4f94607bef2803a26502648dd7d8ee6cf20a80cf6b57afd770f3e

Aliases

arxiv: 2108.13030 · arxiv_version: 2108.13030v1 · doi: 10.48550/arxiv.2108.13030 · pith_short_12: RPRFLB2Z4T4U · pith_short_16: RPRFLB2Z4T4UMB56 · pith_short_8: RPRFLB2Z

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/RPRFLB2Z4T4UMB566KADUJSQEZ \
  | 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: 8be2558759e4f94607bef2803a26502648dd7d8ee6cf20a80cf6b57afd770f3e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "799739930126b0ef6fca99339ddcba64a97dbba2d55719802d4730c3cca3de5a",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2021-08-30T07:34:43Z",
    "title_canon_sha256": "c97e8ffbf82ef792cf6171162ec8a7478bbe45fb3dc10467a1e2538184608d4f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.13030",
    "kind": "arxiv",
    "version": 1
  }
}