Pith Number

pith:4FS3I77E

pith:2004:4FS3I77EBNE447M3ARADVKHJ5C

not attested not anchored not stored refs pending

Low-Mass Companions to Solar-Type Stars

Lynne Hillenbrand (Caltech), Stanimir Metchev

arxiv:astro-ph/0411679 v1 · 2004-11-25 · 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{4FS3I77EBNE447M3ARADVKHJ5C}

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	2026-05-18T01:55:40.057455Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e165b47fe40b49ce7d9b04403aa8e9e8a4fa064091f48f3daaa23f8fa07d250e

Aliases

arxiv: astro-ph/0411679 · arxiv_version: astro-ph/0411679v1 · doi: 10.48550/arxiv.astro-ph/0411679 · pith_short_12: 4FS3I77EBNE4 · pith_short_16: 4FS3I77EBNE447M3 · pith_short_8: 4FS3I77E

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/4FS3I77EBNE447M3ARADVKHJ5C \
  | 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: e165b47fe40b49ce7d9b04403aa8e9e8a4fa064091f48f3daaa23f8fa07d250e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "77bb8a586d034ea80dcc42131f077897f2d003aa00cbaab3575409ef18788d31",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-11-25T01:48:51Z",
    "title_canon_sha256": "31925a5886b688da5e56d4be25b3b63c47477fac0caf7a94b9c5d2c0066a9b07"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0411679",
    "kind": "arxiv",
    "version": 1
  }
}