Pith Number

pith:Y4DWXCII

pith:2010:Y4DWXCIIHCQWPZPXRTKTYB3EDC

not attested not anchored not stored refs pending

First Results From VLT NACO Apodizing Phase Plate: 4-micron Images of the Exoplanet beta Pictoris b

Anne-Marie Lagrange (Grenoble), Anthony Boccaletti (Observatoire de Paris, Daniel Apai (STSci), Gael Chauvin (Grenoble), Julien H. V. Girard (ESO Santiago), Markus Kasper (ESO Garching), Matthew Kenworthy (Leiden), Meudon), Michael R. Meyer (ETH Zurich), Mickael Bonnefoy (Grenoble), Philip M. Hinz (Steward Observatory, Rainer Lenzen (MPIA), Sascha P. Quanz (ETH Zurich), Tucson)

arxiv:1009.0538 v1 · 2010-09-02 · astro-ph.SR · 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{Y4DWXCIIHCQWPZPXRTKTYB3EDC}

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	2026-05-18T02:05:37.676353Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c7076b890838a167e5f78cd53c076418a4846da8271c149fc10c66c1f19c6e10

Aliases

arxiv: 1009.0538 · arxiv_version: 1009.0538v1 · doi: 10.48550/arxiv.1009.0538 · pith_short_12: Y4DWXCIIHCQW · pith_short_16: Y4DWXCIIHCQWPZPX · pith_short_8: Y4DWXCII

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/Y4DWXCIIHCQWPZPXRTKTYB3EDC \
  | 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: c7076b890838a167e5f78cd53c076418a4846da8271c149fc10c66c1f19c6e10

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "897c2236c77e5c8df8c95ab528034a470227a61ba75a6ca4c01f1ef4f050d577",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-09-02T20:32:26Z",
    "title_canon_sha256": "37f1c0ad0b5a1ee9c18d8d98157a03c19e2d60bbf19ea6738d33fd6c8d28a670"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.0538",
    "kind": "arxiv",
    "version": 1
  }
}