Pith Number

pith:LKI2V7ZY

pith:2011:LKI2V7ZYLIMPBZJM3UGBDFSF3O

not attested not anchored not stored refs pending

The MUCHFUSS project - Searching for hot subdwarf binaries with massive unseen companions: Survey, target selection and atmospheric parameters

A. Tillich, B. N. Barlow, B. T. Gaensicke, H. Hirsch, P. F. L. Maxted, R. H. Oestensen, R. Napiwotzki, S. Geier, S. J. Bentley, S. J. O'Toole, T. R. Marsh, U. Heber

arxiv:1103.4045 v1 · 2011-03-21 · 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{LKI2V7ZYLIMPBZJM3UGBDFSF3O}

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	2026-05-18T02:02:48.755591Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5a91aaff385a18f0e52cdd0c119645db93ecaa22f1d55d3d7aef353b8ca1479e

Aliases

arxiv: 1103.4045 · arxiv_version: 1103.4045v1 · doi: 10.48550/arxiv.1103.4045 · pith_short_12: LKI2V7ZYLIMP · pith_short_16: LKI2V7ZYLIMPBZJM · pith_short_8: LKI2V7ZY

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/LKI2V7ZYLIMPBZJM3UGBDFSF3O \
  | 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: 5a91aaff385a18f0e52cdd0c119645db93ecaa22f1d55d3d7aef353b8ca1479e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "123dd6b3f0f0efc78b317c998982547668872334de875a4c7d792a9f31cc4e04",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-03-21T15:09:40Z",
    "title_canon_sha256": "20e9a9ce932b88e174919980bd5645fa2ef374da1ca3ff37074efa438b7bb355"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.4045",
    "kind": "arxiv",
    "version": 1
  }
}