Pith Number

pith:7AW7FTTS

pith:2010:7AW7FTTSBV3PCJLBED6ADU5SAA

not attested not anchored not stored refs pending

High contrast optical imaging of companions: the case of the brown dwarf binary HD-130948BC

A. Diaz-Sanchez, A. Oscoz, A. Perez-Garrido, B. Femenia, I. Villo, J. A. Perez-Prieto, J. Piqueras, L. F. Rodriguez, L. Labadie, R. Lopez, R. Rebolo, S. R. Hildebrandt, V. J. S. Bejar

arxiv:1009.5670 v1 · 2010-09-28 · astro-ph.IM · astro-ph.SR

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	2026-05-18T02:05:15.969854Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f82df2ce720d76f1256120fc01d3b2003307f5f710d4f3419d2d4d0a7a501232

Aliases

arxiv: 1009.5670 · arxiv_version: 1009.5670v1 · doi: 10.48550/arxiv.1009.5670 · pith_short_12: 7AW7FTTSBV3P · pith_short_16: 7AW7FTTSBV3PCJLB · pith_short_8: 7AW7FTTS

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/7AW7FTTSBV3PCJLBED6ADU5SAA \
  | 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: f82df2ce720d76f1256120fc01d3b2003307f5f710d4f3419d2d4d0a7a501232

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "14c55c909debbfd7dfafbe26ca4c1e89ed9148b8f609feb850cbd5d58db35818",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2010-09-28T20:00:01Z",
    "title_canon_sha256": "edb75ce0787915151d20415b77da2e75c8341c5a629afac7bc5eca003625aefe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.5670",
    "kind": "arxiv",
    "version": 1
  }
}