pith. sign in
Pith Number

pith:BHDUCG6K

pith:2009:BHDUCG6KBNYULLINMATF56UY7I
not attested not anchored not stored refs pending

Absolute properties of the main-sequence eclipsing binary FM Leo

A. Rozek, A. Schwarzenberg-Czerny, K.G. Helminiak, K. Kaminski, M. Fagas, M. Konacki, M. Ratajczak, P. Bartczak, P. Kankiewicz, T. Kwiatkowski, W. Borczyk, W. Dimitrov

arxiv:0911.0554 v1 · 2009-11-03 · astro-ph.SR

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{BHDUCG6KBNYULLINMATF56UY7I}

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 2026-05-18T02:11:00.238166Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

09c7411bca0b7145ad0d60265efa98fa0b9de33043f92c4f42643832dfa0ddec

Aliases

arxiv: 0911.0554 · arxiv_version: 0911.0554v1 · doi: 10.48550/arxiv.0911.0554 · pith_short_12: BHDUCG6KBNYU · pith_short_16: BHDUCG6KBNYULLIN · pith_short_8: BHDUCG6K
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/BHDUCG6KBNYULLINMATF56UY7I \
  | 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: 09c7411bca0b7145ad0d60265efa98fa0b9de33043f92c4f42643832dfa0ddec
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "e392d48807dbedf62dae178336e4bde1111de071d6f6c026ba2bf57c6760992a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-11-03T11:38:20Z",
    "title_canon_sha256": "2922820aeb60f84e624fb1bd78e1c801a3cf3b7286f7631b474362076a886edf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.0554",
    "kind": "arxiv",
    "version": 1
  }
}