Pith Number

pith:AQRQS5C5

pith:2019:AQRQS5C52XP4IMKJGZACUW2LCP

not attested not anchored not stored refs pending

Yule-Simpson's paradox in Galactic Archaeology

A. Queiroz, C. Chiappini, C. Scannapieco, D. W. Hogg, F. Anders, G. Guiglion, G. Matijevic, I. Minchev, M. Martig, M. Steinmetz

arxiv:1902.01421 v2 · 2019-02-04 · 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{AQRQS5C52XP4IMKJGZACUW2LCP}

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	2026-05-17T23:46:12.368414Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

042309745dd5dfc4314936402a5b4b13fc5572f8bd3e58f7b571c63c41eb669e

Aliases

arxiv: 1902.01421 · arxiv_version: 1902.01421v2 · doi: 10.48550/arxiv.1902.01421 · pith_short_12: AQRQS5C52XP4 · pith_short_16: AQRQS5C52XP4IMKJ · pith_short_8: AQRQS5C5

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/AQRQS5C52XP4IMKJGZACUW2LCP \
  | 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: 042309745dd5dfc4314936402a5b4b13fc5572f8bd3e58f7b571c63c41eb669e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "117e92dc964df0e741507d58a128fcd491e392a11b88b44aae9f28d5fb4bd06f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-02-04T19:02:06Z",
    "title_canon_sha256": "9675cb9a38faab302ac7f0c2b4692a9300a881d88711468ee570be314e74e389"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.01421",
    "kind": "arxiv",
    "version": 2
  }
}