Pith Number

pith:U3QVQVH3

pith:2003:U3QVQVH3P3O4ROIGMBEGAX75AT

not attested not anchored not stored refs pending

An active M8.5 dwarf wide companion to the M4/DA binary LHS4039/LHS4040

(2) Observatoire de Strasbourg, (3) Institute of Astronomy, A. Schwope (1) ((1) Astrophysikalisches Institut Potsdam, M. Irwin (3), M.J. McCaughrean (1), N. Lodieu (1), O. Bienaym\'e (2), R.-D. Scholz (1), R. Ibata (2), University of Cambridge)

arxiv:astro-ph/0310022 v1 · 2003-10-01 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{U3QVQVH3P3O4ROIGMBEGAX75AT}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T01:09:03.437581Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a6e15854fb7eddc8b9066048605ffd04fb645a6aa56ea2a3d1448133cbf5f3f7

Aliases

arxiv: astro-ph/0310022 · arxiv_version: astro-ph/0310022v1 · doi: 10.48550/arxiv.astro-ph/0310022 · pith_short_12: U3QVQVH3P3O4 · pith_short_16: U3QVQVH3P3O4ROIG · pith_short_8: U3QVQVH3

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/U3QVQVH3P3O4ROIGMBEGAX75AT \
  | 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: a6e15854fb7eddc8b9066048605ffd04fb645a6aa56ea2a3d1448133cbf5f3f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7600a432dc793210c3bf4a1be8abda994330142847c7e484cef9dd4962993654",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-10-01T10:07:05Z",
    "title_canon_sha256": "5a0a84499f49dab8cf255fdad8331f8c8de1f42fb87a4e12d8c92f7f6b5bfd28"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0310022",
    "kind": "arxiv",
    "version": 1
  }
}