Pith Number

pith:B45OVQ3O

pith:2017:B45OVQ3OKXLIUYEDAOXR6MUJIB

not attested not anchored not stored refs pending

Calibration of the island effect: Experimental validation of closed-loop focal plane wavefront control on Subaru/SCExAO

Alban Ceau, Barnaby Norris, David Mary, Frantz Martinache, Julien Lozi, Mamadou N'Diaye, Nemanja Jovanovic, Olivier Guyon

arxiv:1712.03963 v1 · 2017-12-11 · 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{B45OVQ3OKXLIUYEDAOXR6MUJIB}

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	2026-05-18T00:23:28.743399Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0f3aeac36e55d68a608303af1f3289406d7862f225de2da72bf031387da1b919

Aliases

arxiv: 1712.03963 · arxiv_version: 1712.03963v1 · doi: 10.48550/arxiv.1712.03963 · pith_short_12: B45OVQ3OKXLI · pith_short_16: B45OVQ3OKXLIUYED · pith_short_8: B45OVQ3O

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/B45OVQ3OKXLIUYEDAOXR6MUJIB \
  | 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: 0f3aeac36e55d68a608303af1f3289406d7862f225de2da72bf031387da1b919

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "687f134ef71f47b273c246a3f9698d1ce89a13cdc333647d88450e0b04c74ba5",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2017-12-11T19:00:03Z",
    "title_canon_sha256": "05bcbed53a743b54e9fa9125609836e4c7d8c79fa1a9532279ea1e3930545f22"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.03963",
    "kind": "arxiv",
    "version": 1
  }
}