Pith Number

pith:URUQE3CI

pith:2021:URUQE3CIKFBXAIRBPC5VZ5M5AH

not attested not anchored not stored refs pending

Binary fractions of G and K dwarf stars based on the Gaia EDR3 and LAMOST DR5: impacts of the chemical abundances

Haibo Yuan, Jifeng Liu, Song Wang, Zexi Niu

arxiv:2109.04031 v1 · 2021-09-09 · 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{URUQE3CIKFBXAIRBPC5VZ5M5AH}

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	2026-07-05T03:38:32.452808Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a469026c48514370222178bb5cf59d01ea4135ae415d790dcd3302e1a6ed6eb6

Aliases

arxiv: 2109.04031 · arxiv_version: 2109.04031v1 · doi: 10.48550/arxiv.2109.04031 · pith_short_12: URUQE3CIKFBX · pith_short_16: URUQE3CIKFBXAIRB · pith_short_8: URUQE3CI

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/URUQE3CIKFBXAIRBPC5VZ5M5AH \
  | 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: a469026c48514370222178bb5cf59d01ea4135ae415d790dcd3302e1a6ed6eb6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "56442d6ea5521d5d7bd181aa7f5c2a8b1498fd2587db455b6d9d86e58a52597c",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2021-09-09T04:45:08Z",
    "title_canon_sha256": "ec98d80fae911a228280b8f9959812bf3950e794f146fec0c5d8efe691f15514"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.04031",
    "kind": "arxiv",
    "version": 1
  }
}