pith. sign in
Pith Number

pith:X2WR4WGF

pith:2018:X2WR4WGFNHFZT26EARGLHGJFKE
not attested not anchored not stored refs pending

Multiplicity of disc-bearing stars in Upper Scorpius and Upper Centaurus-Lupus

Aaron Rizzuto, Christoph Federrath, Joao Bento, Michael Ireland, Rajika L. Kuruwita

arxiv:1808.00620 v1 · 2018-08-02 · astro-ph.EP · astro-ph.SR

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{X2WR4WGFNHFZT26EARGLHGJFKE}

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 2026-05-18T00:08:05.768044Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

bead1e58c569cb99ebc4044cb39925510ee8e02cdd61cad452bb657816c53628

Aliases

arxiv: 1808.00620 · arxiv_version: 1808.00620v1 · doi: 10.48550/arxiv.1808.00620 · pith_short_12: X2WR4WGFNHFZ · pith_short_16: X2WR4WGFNHFZT26E · pith_short_8: X2WR4WGF
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/X2WR4WGFNHFZT26EARGLHGJFKE \
  | 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: bead1e58c569cb99ebc4044cb39925510ee8e02cdd61cad452bb657816c53628
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "215de1bb7d56be76bdc9e97cd5732eb040c1db659ad41b4befc2cb9d0c44a70d",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2018-08-02T01:23:53Z",
    "title_canon_sha256": "7708b1ff5e1ae232d70cf97b1d43adbd9bf8e3024b3f4b1c8d63398c706c097b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.00620",
    "kind": "arxiv",
    "version": 1
  }
}