Pith Number

pith:SMAD74GE

pith:2010:SMAD74GE4EFVFXR5MUHFEEM5B4

not attested not anchored not stored refs pending

Massive unseen companions to hot faint underluminous stars from SDSS (MUCHFUSS) - Analysis of seven close subdwarf B binaries

A. Tillich, B. N. Barlow, B. T. Gaensicke, C. Copperwheat, H. Hirsch, P. F. L. Maxted, R. H. Oestensen, R. Napiwotzki, R. Oreiro, S. Geier, S. Mueller, T. A. Ottosen, T. Kupfer, T. R. Marsh, U. Heber

arxiv:1011.4793 v1 · 2010-11-22 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SMAD74GE4EFVFXR5MUHFEEM5B4}

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	2026-05-18T02:04:42.672849Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

93003ff0c4e10b52de3d650e52119d0f1237f7c4ed135846789925e15d30c0b5

Aliases

arxiv: 1011.4793 · arxiv_version: 1011.4793v1 · doi: 10.48550/arxiv.1011.4793 · pith_short_12: SMAD74GE4EFV · pith_short_16: SMAD74GE4EFVFXR5 · pith_short_8: SMAD74GE

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/SMAD74GE4EFVFXR5MUHFEEM5B4 \
  | 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: 93003ff0c4e10b52de3d650e52119d0f1237f7c4ed135846789925e15d30c0b5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "896002aceed5818a64b92ea4c42d2481bf2f56e3cd26e0788da6e4ea4af3d4af",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-11-22T13:01:31Z",
    "title_canon_sha256": "1cc752ee66064f54bebf3586c45634bd91bc4ff4478df525a3df93f10bc03a43"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1011.4793",
    "kind": "arxiv",
    "version": 1
  }
}