Pith Number

pith:FSE4SLFH

pith:2016:FSE4SLFH5D3AUCLYMRP4Q6EUNC

not attested not anchored not stored refs pending

SPHERE IRDIS and IFS astrometric strategy and calibration

Anne-Lise Maire, Anne-Marie Lagrange, Arthur Vigan, David Mouillet, Francois Wildi, Gael Chauvin, Gerard Zins, Jean-Luc Beuzit, Julien H. Girard, Julien Milli, Kjetil Dohlen, Markus Feldt, Massimo Turatto, Maud Langlois, Pascal Puget, Philippe Delorme, Raffaele Gratton, Riccardo U. Claudi, Silvano Desidera

arxiv:1609.06681 v1 · 2016-09-21 · astro-ph.IM · 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{FSE4SLFH5D3AUCLYMRP4Q6EUNC}

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	2026-05-18T01:04:06.199693Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c89c92ca7e8f60a0978645fc87894689bd07c27f08dc278fb61600c5ff45030

Aliases

arxiv: 1609.06681 · arxiv_version: 1609.06681v1 · doi: 10.48550/arxiv.1609.06681 · pith_short_12: FSE4SLFH5D3A · pith_short_16: FSE4SLFH5D3AUCLY · pith_short_8: FSE4SLFH

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/FSE4SLFH5D3AUCLYMRP4Q6EUNC \
  | 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: 2c89c92ca7e8f60a0978645fc87894689bd07c27f08dc278fb61600c5ff45030

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "428b8f425119accf24157f08871ab3103b327fe4e6d5b26728571e003c79fa16",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2016-09-21T18:52:28Z",
    "title_canon_sha256": "1de328bd275e53dd635659f440bc190495fd92e135dc7ad7f19cfd36990e8e06"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.06681",
    "kind": "arxiv",
    "version": 1
  }
}