Pith Number

pith:OOYRABQO

pith:2011:OOYRABQO32A24B6DD2O5RYN66R

not attested not anchored not stored refs pending

New constraints on the chemical evolution of the solar neighbourhood and Galactic disc(s). Improved astrophysical parameters for the Geneva-Copenhagen Survey

Ivan Ramirez, Jorge Melendez, Luca Casagrande, Martin Asplund, Ralph Schoenrich, Santi Cassisi, Sofia Feltzing, Thomas Bensby

arxiv:1103.4651 v2 · 2011-03-23 · 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{OOYRABQO32A24B6DD2O5RYN66R}

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.

Cited by

1 paper in Pith

TESS Observations of Stochastic Low-frequency Variability in Extreme Helium Stars

Receipt and verification

First computed	2026-05-18T04:20:23.116231Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

73b110060ede81ae07c31e9dd8e1bef46285fc26201fdd47d85cf798a22a5a98

Aliases

arxiv: 1103.4651 · arxiv_version: 1103.4651v2 · doi: 10.48550/arxiv.1103.4651 · pith_short_12: OOYRABQO32A2 · pith_short_16: OOYRABQO32A24B6D · pith_short_8: OOYRABQO

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/OOYRABQO32A24B6DD2O5RYN66R \
  | 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: 73b110060ede81ae07c31e9dd8e1bef46285fc26201fdd47d85cf798a22a5a98

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5a7945c8901896d6e768eed989afafa695e7c66cafb01e38eb981808b76b0107",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2011-03-23T23:40:00Z",
    "title_canon_sha256": "b60526eaef2ca4ee554c019c4ed24e711542348b7a8569784db7634bcfacf6f5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.4651",
    "kind": "arxiv",
    "version": 2
  }
}