Pith Number

pith:C74MX2M6

pith:1997:C74MX2M6CXQ6UP6YNU7YJRSQS4

not attested not anchored not stored refs pending

The shortest-period M-dwarf eclipsing system BW3 V38

Carla Maceroni, Slavek M. Rucinski

arxiv:astro-ph/9702208 v1 · 1997-02-24 · 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{C74MX2M6CXQ6UP6YNU7YJRSQS4}

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	2026-07-04T16:02:53.643293Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

17f8cbe99e15e1ea3fd86d3f84c650970fa85872fd4eedf0735a3478457daf5b

Aliases

arxiv: astro-ph/9702208 · arxiv_version: astro-ph/9702208v1 · doi: 10.48550/arxiv.astro-ph/9702208 · pith_short_12: C74MX2M6CXQ6 · pith_short_16: C74MX2M6CXQ6UP6Y · pith_short_8: C74MX2M6

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/C74MX2M6CXQ6UP6YNU7YJRSQS4 \
  | 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: 17f8cbe99e15e1ea3fd86d3f84c650970fa85872fd4eedf0735a3478457daf5b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0e77713ccf599560b7cb122ef1c512713004935d91516d0c86b8fea46a9bc59e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1997-02-24T17:42:25Z",
    "title_canon_sha256": "f90f4823d5bfdaffee1cfef4be19605bfa292a1f66d1b71b5a256d8ea56a01ee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9702208",
    "kind": "arxiv",
    "version": 1
  }
}