Pith Number

pith:ATUPEHEM

pith:2009:ATUPEHEM2PSHGJE7DRSGWDHMJM

not attested not anchored not stored refs pending

Substellar-mass companions to the K-dwarf BD +14 4559 and the K-giants HD 240210 and BD +20 2457

A. Niedzielski, A. Wolszczan, G. Nowak, M. Adam\'ow

arxiv:0906.1804 v1 · 2009-06-09 · astro-ph.SR · 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{ATUPEHEM2PSHGJE7DRSGWDHMJM}

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	2026-05-18T04:29:42.770339Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

04e8f21c8cd3e473249f1c646b0cec4b1cc299c94ba8873fad3c4935504dfc23

Aliases

arxiv: 0906.1804 · arxiv_version: 0906.1804v1 · doi: 10.48550/arxiv.0906.1804 · pith_short_12: ATUPEHEM2PSH · pith_short_16: ATUPEHEM2PSHGJE7 · pith_short_8: ATUPEHEM

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/ATUPEHEM2PSHGJE7DRSGWDHMJM \
  | 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: 04e8f21c8cd3e473249f1c646b0cec4b1cc299c94ba8873fad3c4935504dfc23

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "78218ac3a22202ea59b19ec74b83a5db305d6a5935e7bd572a0d5b5351e60ba5",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-06-09T19:11:43Z",
    "title_canon_sha256": "adca3edd20bbfcc9e6f335d2bd6ce685cf556fe66cfe3c663251b924896709be"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.1804",
    "kind": "arxiv",
    "version": 1
  }
}