Pith Number

pith:2M46MGCY

pith:2012:2M46MGCYQSRKJQLSCVFCAEDJDN

not attested not anchored not stored refs pending

Planetary companions around the metal-poor star HIP 11952

A. Pasquali, D. Fedele, E. Caffau, J. Setiawan, M.V. Rodr\'iguez-Ledesma, R.J. Klement, Th. Henning, U. Seemann, V. Roccatagliata

arxiv:1208.4000 v1 · 2012-08-20 · astro-ph.EP · 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{2M46MGCYQSRKJQLSCVFCAEDJDN}

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	2026-05-18T03:48:25.521727Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d339e6185884a2a4c172154a2010691b4f5b3d0caf5c7966225e966e6e762beb

Aliases

arxiv: 1208.4000 · arxiv_version: 1208.4000v1 · doi: 10.48550/arxiv.1208.4000 · pith_short_12: 2M46MGCYQSRK · pith_short_16: 2M46MGCYQSRKJQLS · pith_short_8: 2M46MGCY

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/2M46MGCYQSRKJQLSCVFCAEDJDN \
  | 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: d339e6185884a2a4c172154a2010691b4f5b3d0caf5c7966225e966e6e762beb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2f9a538f0af256fcde35f64f3903db32b3467187d614a6b63190c5e408627670",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2012-08-20T13:06:55Z",
    "title_canon_sha256": "36244a2a1ea263d7b6ecf83dea87266b01e363f9c8a4c490e27c6f12e6b2e025"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.4000",
    "kind": "arxiv",
    "version": 1
  }
}