Pith Number

pith:PPKU3XZA

pith:2018:PPKU3XZAZ5BUXAN6WMLVX4IFNB

not attested not anchored not stored refs pending

ARGOS at the LBT. Binocular laser guided ground layer adaptive optics

A. Cardwel, A. Contursi, A. Puglisi, A. Quirrenbach, A. Sivitilli, B. Frye, C. Connot, C. Kohlmann, C. Schwab, C. Veillet, D. Peter, F. Eisenhauer, G. Orban de Xivry, G. Rahmer, G. Weigelt, H. Gemperlein, H.W. Rix, I. Y. Georgiev, J. Borelli, J. Brynnel, J. Noenickx, J. Storm, J. Ziegleder, L. Barl, L. Busoni, M. Bonaglia, M. Deysenroth, M. Elberich, M. Hart, M. Kulas, M. Lefebvre, M. Rademacher, M. Rosensteiner, M. Steinmetz, O. Durney, P. Buschkamp, P. Salinari, R. Angel, R. Davies, R. Genzel, R. Green, S. Belli, S. Esposito, S. Rabien, T. Mazzoni, T. Ott, U. Beckmann, V. Gasho, W. Gaessler, W. Raab, Y. Qin

arxiv:1806.09938 v2 · 2018-06-26 · astro-ph.IM · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PPKU3XZAZ5BUXAN6WMLVX4IFNB}

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	2026-05-17T23:56:53.215598Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7bd54ddf20cf434b81beb3175bf10568689a31c01bde27dae09e02d970dec36a

Aliases

arxiv: 1806.09938 · arxiv_version: 1806.09938v2 · doi: 10.48550/arxiv.1806.09938 · pith_short_12: PPKU3XZAZ5BU · pith_short_16: PPKU3XZAZ5BUXAN6 · pith_short_8: PPKU3XZA

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/PPKU3XZAZ5BUXAN6WMLVX4IFNB \
  | 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: 7bd54ddf20cf434b81beb3175bf10568689a31c01bde27dae09e02d970dec36a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7093ec1c9ffc4681f06b1cd3c83ac53c8759bb28553225d4260e70aab2d00f28",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2018-06-26T12:19:02Z",
    "title_canon_sha256": "465ccf5d596edd8e5dbe7e3b6d6418a9329467ada3a06e4035277b001101a218"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.09938",
    "kind": "arxiv",
    "version": 2
  }
}