Pith Number

pith:CQM6ZPVS

pith:2022:CQM6ZPVS2S23DX2QWAR3M75VGB

not attested not anchored not stored refs pending

RISTRETTO: coronagraph and AO designs enabling High Dispersion Coronagraphy at 2 lambda/D

A. Spang, B. Chazelas, C. Lovis, E. Hocini, I. Hughes, J.-F. Sauvage, J. Hagelberg, J. K\"uhn, L. Genolet, M. Beaulieu, M. Sordet, N. Blind, O. Guyon, P. Martinez, R. Schnell, T. Fusco

arxiv:2207.14177 v2 · 2022-07-28 · 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{CQM6ZPVS2S23DX2QWAR3M75VGB}

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	2026-07-05T04:53:02.675955Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1419ecbeb2d4b5b1df50b023b67fb5307e21c02990b949be0677ac82c3d90616

Aliases

arxiv: 2207.14177 · arxiv_version: 2207.14177v2 · doi: 10.48550/arxiv.2207.14177 · pith_short_12: CQM6ZPVS2S23 · pith_short_16: CQM6ZPVS2S23DX2Q · pith_short_8: CQM6ZPVS

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/CQM6ZPVS2S23DX2QWAR3M75VGB \
  | 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: 1419ecbeb2d4b5b1df50b023b67fb5307e21c02990b949be0677ac82c3d90616

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bbdb8d571f66a1dbd659bbe8dca260c47f77c5e8d01607ad38ecf65e0f54c5f0",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2022-07-28T15:41:38Z",
    "title_canon_sha256": "d386f67a4d3671ba991e1d7a9d0b8158bfbc594a98fd4b454f1964199d7f5e08"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2207.14177",
    "kind": "arxiv",
    "version": 2
  }
}