Pith Number

pith:N2EUPAUZ

pith:2010:N2EUPAUZ24YKIF6IRAUC5C6EZY

not attested not anchored not stored refs pending

Lucky Imaging Adaptive Optics of the brown dwarf binary GJ569Bab

2), (2) Departamento de Astrof\'isica Universidad de La Laguna-SPAIN, 3), (3) CSIC-SPAIN, 4), (4) Laboratoire de Physique Subatomique et Cosmologie-France, (5) Universidad Polit\'ecnica de Cartagena-SPAIN, 6) ((1) Intituto de Astrof\'isica de Canarias-SPAIN, (6) Max-Planck-Institut f\"ur Sonnensystemforschung-Germany), A. D\'iaz-S\'anchez (5), A. Oscoz (1), A. P\'erez-Garrido (5), B. Femen\'ia (1, I. Vill\'o (5), J. A. P\'erez-Prieto (1), J. Piqueras (1, L. F. Rodr\'iguez (1), L. Labadie (1, R. L\'opez (1), R. Rebolo (1, S. R. Hildebrandt (1, V. J. S. B\'ejar (1

arxiv:1012.4421 v2 · 2010-12-20 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{N2EUPAUZ24YKIF6IRAUC5C6EZY}

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	2026-05-18T02:04:21.820882Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6e89478299d730a417c888282e8bc4ce3442f2cce87df763ed7c6c2c2fb61314

Aliases

arxiv: 1012.4421 · arxiv_version: 1012.4421v2 · doi: 10.48550/arxiv.1012.4421 · pith_short_12: N2EUPAUZ24YK · pith_short_16: N2EUPAUZ24YKIF6I · pith_short_8: N2EUPAUZ

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/N2EUPAUZ24YKIF6IRAUC5C6EZY \
  | 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: 6e89478299d730a417c888282e8bc4ce3442f2cce87df763ed7c6c2c2fb61314

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "851835c483317b84207ab2ae4b8d889d1fafe7b61d61eb75eb44bb00682b5721",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2010-12-20T17:58:18Z",
    "title_canon_sha256": "3af55ccd07ddbe5da3c4938536e6aaab94919d55e903f66f8e9716f8e116bd09"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.4421",
    "kind": "arxiv",
    "version": 2
  }
}