Pith Number

pith:NUSDL75A

pith:2009:NUSDL75AHQHIS7JDEGTBSONTJS

not attested not anchored not stored refs pending

Candidate free-floating super-Jupiters in the young sigma Orionis open cluster

A. D\'iaz-S\'anchez, A. P\'erez-Garrido, B. Goldman, C. A. L. Bailer-Jones, D. Barrado y Navascu\'es, E. L. Mart\'in, G. Bihain, I. Vill\'o-P\'erez, J. A. Caballero, J. Eisl\"offel, M. R. Zapatero Osorio, R. Mundt, R. Rebolo, T. Forveille, T. Henning, V. J. S. B\'ejar

arxiv:0909.0802 v2 · 2009-09-04 · astro-ph.SR · astro-ph.EP

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

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	2026-05-18T02:12:00.014459Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6d2435ffa03c0e897d2321a61939b34c8931640401eed3c5c8e6e61620ad96c1

Aliases

arxiv: 0909.0802 · arxiv_version: 0909.0802v2 · doi: 10.48550/arxiv.0909.0802 · pith_short_12: NUSDL75AHQHI · pith_short_16: NUSDL75AHQHIS7JD · pith_short_8: NUSDL75A

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/NUSDL75AHQHIS7JDEGTBSONTJS \
  | 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: 6d2435ffa03c0e897d2321a61939b34c8931640401eed3c5c8e6e61620ad96c1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0be442584dcf5b39cca91b7b60b25ffc02f1e6b7942df1e6ed075fc017730354",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-09-04T13:56:07Z",
    "title_canon_sha256": "7bf6983c28a46bdca96250876496e35b208eaf0bb28b8cd225c56b93799ae1ee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.0802",
    "kind": "arxiv",
    "version": 2
  }
}