Pith Number

pith:6M2SYTB6

pith:2004:6M2SYTB6NLBQIANXGPLMTMICIS

not attested not anchored not stored refs pending

An L0 dwarf companion in the brown dwarf desert, at 30 AU

A. Manchado, C. Perrier, D. S\'egransan, E. L. Mart\'in, J. A. Acosta-Pulido, J.-L. Beuzit, M. Mayor, P. Delorme, S. Udry, T. Forveille, X. Delfosse

arxiv:astro-ph/0409112 v1 · 2004-09-06 · 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{6M2SYTB6NLBQIANXGPLMTMICIS}

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	2026-07-04T16:44:37.817814Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f3352c4c3e6ac30401b733d6c9b10244afc88a45d9a765130736d497c686cb3a

Aliases

arxiv: astro-ph/0409112 · arxiv_version: astro-ph/0409112v1 · doi: 10.48550/arxiv.astro-ph/0409112 · pith_short_12: 6M2SYTB6NLBQ · pith_short_16: 6M2SYTB6NLBQIANX · pith_short_8: 6M2SYTB6

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/6M2SYTB6NLBQIANXGPLMTMICIS \
  | 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: f3352c4c3e6ac30401b733d6c9b10244afc88a45d9a765130736d497c686cb3a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a5aee038b64c67b3293b093012499e63b958628c17bb2141c9346163ebbc9c91",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-09-06T11:23:24Z",
    "title_canon_sha256": "05c03b738127442f636c409d003453ac2835de45e3266780418ad30af35580b7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0409112",
    "kind": "arxiv",
    "version": 1
  }
}