Pith Number

pith:F5BCNQTH

pith:2012:F5BCNQTHQY6FPCUUIJONAZBZJ2

not attested not anchored not stored refs pending

The GRAVITY Coud\'e Infrared Adaptive Optics (CIAO) system for the VLT Interferometer

(2) LESIA-Observatoire de Paris, (3) MPE, (4) ESO, (5) SIM, (6) IPAG, (7) University of Cologne), Antonio Amorim (5), Armin Huber (1), Casey Deen (1), Christian Straubmeier (7) ((1) MPIA Heidelberg, Enrico Fedrigo (4), Eric Gendron (2), Frank Eisenhauer (3), Garching, Grenoble, Guy Perrin (2), Jos\'e Ramos (1), Karine Perraut (6), Lisbon, Marcos Suarez-Valles (4), Pengqian Yang (1), Rainer Lenzen (1), Ralf Klein (1), Ralf-Rainer Rohloff (1), Sarah Kendrew (1), Stefan Hippler (1), Udo Neumann (1), Vianak Naranjo (1), Werner Laun (1), Wolfgang Brandner (1), Yann Cl\'enet (2)

arxiv:1207.2945 v1 · 2012-07-12 · 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{F5BCNQTHQY6FPCUUIJONAZBZJ2}

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	2026-05-18T01:56:24.423228Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2f4226c267863c578a94425cd064394ead85c484b79743c7d6259dd6c2021c4f

Aliases

arxiv: 1207.2945 · arxiv_version: 1207.2945v1 · doi: 10.48550/arxiv.1207.2945 · pith_short_12: F5BCNQTHQY6F · pith_short_16: F5BCNQTHQY6FPCUU · pith_short_8: F5BCNQTH

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/F5BCNQTHQY6FPCUUIJONAZBZJ2 \
  | 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: 2f4226c267863c578a94425cd064394ead85c484b79743c7d6259dd6c2021c4f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "03c3710b94c8f14028c31247c9e117fc9718e09afaad32d426100aa1afc1b986",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2012-07-12T13:00:38Z",
    "title_canon_sha256": "676bfbeadc44e3bcb2e65b31b04ecd29b30b8342b919c6260c2f0cb5f3810efa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.2945",
    "kind": "arxiv",
    "version": 1
  }
}