Pith Number

pith:BBGW2WEI

pith:2013:BBGW2WEINUQU3VRBZHYFOEL5QB

not attested not anchored not stored refs pending

On the Metallicities of Kepler Stars

Ge Jin (USTC), Haotong Zhang (NAOC), J.N. Fu (BNU), NAOC), P. De Cat (Royal Observatory of Belgium), Subo Dong (KIAA-PKU), X.H. Yang (BNU, Yong Zhang (NIAOT), Zhaohuan Zhu (Princeton), Zheng Zheng (Utah)

arxiv:1311.1203 v2 · 2013-11-05 · astro-ph.EP · 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{BBGW2WEINUQU3VRBZHYFOEL5QB}

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	2026-05-18T02:49:53.911842Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

084d6d58886d214dd621c9f057117d805c62244eefe4c46aab04894a21638c08

Aliases

arxiv: 1311.1203 · arxiv_version: 1311.1203v2 · doi: 10.48550/arxiv.1311.1203 · pith_short_12: BBGW2WEINUQU · pith_short_16: BBGW2WEINUQU3VRB · pith_short_8: BBGW2WEI

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/BBGW2WEINUQU3VRBZHYFOEL5QB \
  | 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: 084d6d58886d214dd621c9f057117d805c62244eefe4c46aab04894a21638c08

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b644e1982dfb3a3b4bd19e974ec0d0ebdce6534de35a17b691f106bd81702431",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2013-11-05T21:00:02Z",
    "title_canon_sha256": "8dfefbdf77bb46a4be7233e90c32d7d412e42fc83fd6227130750d80d9d715ce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.1203",
    "kind": "arxiv",
    "version": 2
  }
}