Pith Number

pith:R7SLYZGL

pith:2011:R7SLYZGLSL6VZNP7LSR5R3BW32

not attested not anchored not stored refs pending

Binaries discovered by the MUCHFUSS project SDSS J08205+0008 - An eclipsing subdwarf B binary with brown dwarf companion

A. Tillich, B. N. Barlow, B. T. Gaensicke, H. Drechsel, K. Smolders, P. Degroote, P. F. L. Maxted, R. H. Oestensen, R. Napiwotzki, S. Geier, T. Kupfer, T. R. Marsh, U. Heber, V. Schaffenroth

arxiv:1103.1989 v1 · 2011-03-10 · 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{R7SLYZGLSL6VZNP7LSR5R3BW32}

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	2026-05-18T02:02:55.232626Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8fe4bc64cb92fd5cb5ff5ca3d8ec36debeaf3a83f08efa143431dd19d9ba4f70

Aliases

arxiv: 1103.1989 · arxiv_version: 1103.1989v1 · doi: 10.48550/arxiv.1103.1989 · pith_short_12: R7SLYZGLSL6V · pith_short_16: R7SLYZGLSL6VZNP7 · pith_short_8: R7SLYZGL

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/R7SLYZGLSL6VZNP7LSR5R3BW32 \
  | 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: 8fe4bc64cb92fd5cb5ff5ca3d8ec36debeaf3a83f08efa143431dd19d9ba4f70

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dcce30b4ea4182d8478327203c9144acbcfab0f232155f2a64b9252c05d1b846",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-03-10T10:59:10Z",
    "title_canon_sha256": "0177121104842a3750cbf07fe26dc8cf1b10f6b2927fb396230387f588203e97"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.1989",
    "kind": "arxiv",
    "version": 1
  }
}