Pith Number

pith:ZAGYDTTY

pith:2018:ZAGYDTTYD2DKZHAOD2Y6BB2LHW

not attested not anchored not stored refs pending

SPHERE on-sky performance compared with budget predictions

Anne Costille, Arthur Vigan, David Le Mignant, David Mouillet, Dimitri Mawet, Dino Mesa, Emmanuel Hugot, Francois Wildi, Gerard Zins, Hands Martin Schmid, Jared O'Neil, Jean-Francois Sauvage, Jean-Luc Beuzit, Johan Pragt, Juan Carlos Guerra, Julien Girard, Kjetil Dohlen, Mamadou N'Diaye, Maud Langlois, Pascal Puget, Raffaele Gratton, Riccardo Claudi, Ronald Roelfsema, Thierry Fusco

arxiv:1807.04018 v1 · 2018-07-11 · 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{ZAGYDTTYD2DKZHAOD2Y6BB2LHW}

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	2026-05-18T00:10:36.693093Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c80d81ce781e86ac9c0e1eb1e0874b3d9b5da37f4d66eb04d1856474754a807a

Aliases

arxiv: 1807.04018 · arxiv_version: 1807.04018v1 · doi: 10.48550/arxiv.1807.04018 · pith_short_12: ZAGYDTTYD2DK · pith_short_16: ZAGYDTTYD2DKZHAO · pith_short_8: ZAGYDTTY

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/ZAGYDTTYD2DKZHAOD2Y6BB2LHW \
  | 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: c80d81ce781e86ac9c0e1eb1e0874b3d9b5da37f4d66eb04d1856474754a807a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1fd27ac50a75bb1db15435d9c8977429a2c19883313ca31e36e1234401919eed",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2018-07-11T09:18:56Z",
    "title_canon_sha256": "3ab140d6b6f38456e08176dc95a7ef702188b1c5cb285cd11878f0370dee41b0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.04018",
    "kind": "arxiv",
    "version": 1
  }
}