Pith Number

pith:P6A6BO5E

pith:2020:P6A6BO5E25RDBWQ5OLZYIMPR5I

not attested not anchored not stored refs pending

The age-chemical abundance structure of the Galactic disc II: $\alpha$-dichotomy and thick disc formation

Alexandre Roman-Lopes, Christian Moni Bidin, Christian Nitschelm, Claudia Maraston, D. A. Garc\'ia-Hern\'andez, Daniel Thomas, Jianhui Lian, Jos\'e G. Fern\'andez-Trincado, Olga Zamora, Ricardo R. Munoz, Richard R. Lane, Timothy C. Beers

arxiv:2007.03687 v2 · 2020-07-07 · 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{P6A6BO5E25RDBWQ5OLZYIMPR5I}

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	2026-07-05T01:21:07.985440Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7f81e0bba4d76230da1d72f38431f1ea391a58ea50eeda08544e5e089b631b58

Aliases

arxiv: 2007.03687 · arxiv_version: 2007.03687v2 · doi: 10.48550/arxiv.2007.03687 · pith_short_12: P6A6BO5E25RD · pith_short_16: P6A6BO5E25RDBWQ5 · pith_short_8: P6A6BO5E

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/P6A6BO5E25RDBWQ5OLZYIMPR5I \
  | 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: 7f81e0bba4d76230da1d72f38431f1ea391a58ea50eeda08544e5e089b631b58

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "055f6734ccb39ffd5d82d6177f5ee07cdae35c17d1c2ff471e975d01c47228b9",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2020-07-07T18:00:00Z",
    "title_canon_sha256": "b7a06de4984cb097ae7cb139357e1c2250f85b47fbd391e4a56a4c068986b440"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2007.03687",
    "kind": "arxiv",
    "version": 2
  }
}