Pith Number

pith:YXWYZ4HV

pith:2010:YXWYZ4HVN6JCZEZB7HISTI3RBH

not attested not anchored not stored refs pending

Substellar Companions to Evolved Intermediate-Mass Stars: HD 145457 and HD 180314

Bun'ei Sato, Byeong-Cheol Lee, Daisuke Murata, Eiichiro Kokubo, Eiji Kambe, Eri Toyota, Gang Zhao, Hideyuki Izumiura, Hiroki Harakawa, Hiroyasu Ando, Inwoo Han, Masashi Omiya, Michitoshi Yoshida, Seiji Masuda, Shigeru Ida, Yoichi Itoh, Yoichi Takeda, Yujuan Liu

arxiv:1005.2860 v1 · 2010-05-17 · 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{YXWYZ4HVN6JCZEZB7HISTI3RBH}

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	2026-05-18T02:07:18.356297Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c5ed8cf0f56f922c9321f9d129a37109e471d28c195f2b1b66c84c1995761386

Aliases

arxiv: 1005.2860 · arxiv_version: 1005.2860v1 · doi: 10.48550/arxiv.1005.2860 · pith_short_12: YXWYZ4HVN6JC · pith_short_16: YXWYZ4HVN6JCZEZB · pith_short_8: YXWYZ4HV

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/YXWYZ4HVN6JCZEZB7HISTI3RBH \
  | 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: c5ed8cf0f56f922c9321f9d129a37109e471d28c195f2b1b66c84c1995761386

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bcdf65e05bbc57964ffcbeea9ab2a53a734df6b6826b6041beec1dd696acddf9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2010-05-17T10:00:18Z",
    "title_canon_sha256": "ef5bae01ee1e134f04e8e18dcade5778c914757916a27c05b08520d405e0ceca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1005.2860",
    "kind": "arxiv",
    "version": 1
  }
}