Pith Number

pith:XQP73Z2E

pith:2018:XQP73Z2EDDPK6GADT6YATTEJVC

not attested not anchored not stored refs pending

Evidence of Hubble flow-like motion of young stellar populations away from the Perseus arm

(2) Departamento de F\'isica y Astronom\'ia, 3), (3) Programa de Estancias de Investigaci\'on (PREI), Alexandre Roman-Lopes (2, Carlos Rom\'an-Z\'u\~niga (1, DGAPA-UNAM, Jes\'us Hern\'andez (1), Mauricio Tapia (1, Mexico, Mexico), Unidad Acad\'emica en Ensenada BC, Universidad La Serena Chile, Valeria Ram\'irez-Preciado ((1) Instituto de Astronom\'ia UNAM

arxiv:1812.11102 v1 · 2018-12-28 · astro-ph.GA · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XQP73Z2EDDPK6GADT6YATTEJVC}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-17T23:55:18.707634Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bc1ffde74418deaf18039fb009cc89a89da1df5a16a4d64c5ba1e2a1abecbfc1

Aliases

arxiv: 1812.11102 · arxiv_version: 1812.11102v1 · doi: 10.48550/arxiv.1812.11102 · pith_short_12: XQP73Z2EDDPK · pith_short_16: XQP73Z2EDDPK6GAD · pith_short_8: XQP73Z2E

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/XQP73Z2EDDPK6GADT6YATTEJVC \
  | 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: bc1ffde74418deaf18039fb009cc89a89da1df5a16a4d64c5ba1e2a1abecbfc1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2c5189198a5080c41584f602521afda5653af1f47f10528a57c6026b0e50166d",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-12-28T16:35:27Z",
    "title_canon_sha256": "fc22b20f91c937a26bf126f19734d23b4b040bbab2033c8b21ab7e6abac6d6dc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.11102",
    "kind": "arxiv",
    "version": 1
  }
}