Pith Number

pith:KZHTJZ7S

pith:2026:KZHTJZ7SPZJZJEVKBSYU7GJ2S3

not attested not anchored not stored refs pending

DD4AO control law for RISTRETTO: robustness, real-time performance, and on-sky validation with PAPYRUS

Angelie Alagao, Benoit Neichel, Bruno Chazelas, Christophe Lovis, Isaac Dinis, Jean-Fran\c{c}ois Sauvage, Muskan Schinde, Nathanael Restori, Nicolas Blind, Romain Fetick, Sylvain Cetre, Ta\"issir H\'eritier, Thierry Fusco, Vincent Chambouleyron

arxiv:2607.14925 v1 · 2026-07-16 · 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{KZHTJZ7SPZJZJEVKBSYU7GJ2S3}

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	2026-07-17T01:21:59.144736Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

564f34e7f27e539492aa0cb14f993a96d9ea5430c51ed0f81a764c80f5090ede

Aliases

arxiv: 2607.14925 · arxiv_version: 2607.14925v1 · doi: 10.48550/arxiv.2607.14925 · pith_short_12: KZHTJZ7SPZJZ · pith_short_16: KZHTJZ7SPZJZJEVK · pith_short_8: KZHTJZ7S

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/KZHTJZ7SPZJZJEVKBSYU7GJ2S3 \
  | 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: 564f34e7f27e539492aa0cb14f993a96d9ea5430c51ed0f81a764c80f5090ede

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1b7742546e765982a6814ba2323088dd42e08af38540e70c9694358e2538d4d8",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2026-07-16T12:42:10Z",
    "title_canon_sha256": "d96278ffc20fbe433d6e8c7dba4fb64a90cc4ac33636cf434668ba0e72c7ad8c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.14925",
    "kind": "arxiv",
    "version": 1
  }
}