Pith Number

pith:K6YW7PP4

pith:2005:K6YW7PP4O2IQ7S66GBSKSZH2D3

not attested not anchored not stored refs pending

A substellar companion around the intermediate-mass giant star HD 11977

A. P. Hatzes, J. R. De Medeiros, J. Rodmann, J. Setiawan, L. da Silva, L. Girardi, L. Pasquini, M. P. Doellinger, O. von der Luehe

arxiv:astro-ph/0505510 v1 · 2005-05-25 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{K6YW7PP4O2IQ7S66GBSKSZH2D3}

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	2026-07-04T16:52:26.770355Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

57b16fbdfc76910fcbde3064a964fa1ed50519fd190663886ee977d8d1e986dc

Aliases

arxiv: astro-ph/0505510 · arxiv_version: astro-ph/0505510v1 · doi: 10.48550/arxiv.astro-ph/0505510 · pith_short_12: K6YW7PP4O2IQ · pith_short_16: K6YW7PP4O2IQ7S66 · pith_short_8: K6YW7PP4

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/K6YW7PP4O2IQ7S66GBSKSZH2D3 \
  | 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: 57b16fbdfc76910fcbde3064a964fa1ed50519fd190663886ee977d8d1e986dc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "73928f3648039782acdf5ff24b68e379faff883cf17129c7459dee7d4692c8b7",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-05-25T12:17:37Z",
    "title_canon_sha256": "b8c7dc6af751ef585c4515715666b480fbfe9a8c822f7e9612da7a42bebb706b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0505510",
    "kind": "arxiv",
    "version": 1
  }
}