Pith Number

pith:PWCLF4M2

pith:2015:PWCLF4M2ESGOIHFYQLRWTAKOY6

not attested not anchored not stored refs pending

Discovery of Seven Companions to Intermediate Mass Stars with Extreme Mass Ratios in the Scorpius-Centaurus Association

Adam L. Kraus (UT), Anthony Cheetham (Sydney), ESO), John M. Carpenter (Caltech), Michael J. Ireland (ANU), Peter Tuthill (Sydney), Sasha Hinkley (Exeter), Sylvestre Lacour (LESIA), Thomas M. Evans (Exeter), Xavier Haubois (LESIA

arxiv:1505.03858 v1 · 2015-05-14 · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PWCLF4M2ESGOIHFYQLRWTAKOY6}

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	2026-05-18T01:55:31.745743Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7d84b2f19a248ce41cb882e369814ec7a941c43341707c743d9a30a41a086d8e

Aliases

arxiv: 1505.03858 · arxiv_version: 1505.03858v1 · doi: 10.48550/arxiv.1505.03858 · pith_short_12: PWCLF4M2ESGO · pith_short_16: PWCLF4M2ESGOIHFY · pith_short_8: PWCLF4M2

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/PWCLF4M2ESGOIHFYQLRWTAKOY6 \
  | 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: 7d84b2f19a248ce41cb882e369814ec7a941c43341707c743d9a30a41a086d8e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e5f6b7d86469de125a6ed3339ac552cc3aef8f46c18bd6b0d034d86d8eb8725a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2015-05-14T20:00:14Z",
    "title_canon_sha256": "cdd71dca97392a7f206858c696767def3539b298d32bb54bbfaed0a11aafd650"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.03858",
    "kind": "arxiv",
    "version": 1
  }
}