Pith Number

pith:MW5QVMBE

pith:2011:MW5QVMBET5BQAJAVFG3L4OEWAQ

not attested not anchored not stored refs pending

A Planetary Companion around a Metal-Poor Star with Extragalactic Origin

B. Rochau, H.-W. Rix, J. Rodmann, J. Setiawan, R. Klement, T. Henning, T. Schulze-Hartung

arxiv:1102.0503 v1 · 2011-02-02 · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MW5QVMBET5BQAJAVFG3L4OEWAQ}

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	2026-05-18T04:25:10.839440Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

65bb0ab0249f4300241529b6be3896041f87e1484fb98f8b585efeff93f05f99

Aliases

arxiv: 1102.0503 · arxiv_version: 1102.0503v1 · doi: 10.48550/arxiv.1102.0503 · pith_short_12: MW5QVMBET5BQ · pith_short_16: MW5QVMBET5BQAJAV · pith_short_8: MW5QVMBE

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/MW5QVMBET5BQAJAVFG3L4OEWAQ \
  | 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: 65bb0ab0249f4300241529b6be3896041f87e1484fb98f8b585efeff93f05f99

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f5f5b2a0b19282e45fcc925da5a5d05979cdecc90ddb4aa603c9752c87c23923",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2011-02-02T17:31:54Z",
    "title_canon_sha256": "0f903b8c20503a936a8e130a9a55cacb5ad50cf90eb9ab6561f1fac23c156b7b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.0503",
    "kind": "arxiv",
    "version": 1
  }
}