Pith Number

pith:JQZ5CDCV

pith:2025:JQZ5CDCVM4OGURK43QGML6WX75

not attested not anchored not stored refs pending

CASSTOR: a scientific and technology nanosatellite demonstrator for UV spectropolarimetry

Adrien Saada, Alexandre Dupuy, Andre Laurens, Aurelien Ledot, Boris Segret, Charles-Antoine Chevrier, Claude Catala, Coralie Neiner, Eitan Pechevis, Feliu Lacreu, Frederic Esteve, Jean-Francois Aubrun, Jean-Luc Le Gal, Jean-Michel Reess, Laurent Doumic, Maelle Le Gal, Olivier Dupuis, Rashika Jain, Romain Pinede, Tristan Buey, Vincent Lapeyrere

arxiv:2507.03956 v1 · 2025-07-05 · 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{JQZ5CDCVM4OGURK43QGML6WX75}

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	2026-07-05T11:32:38.052889Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4c33d10c55671c6a455cdc0cc5fad7ff6cea934fdabf7fed545dd9f14fc74f2a

Aliases

arxiv: 2507.03956 · arxiv_version: 2507.03956v1 · doi: 10.48550/arxiv.2507.03956 · pith_short_12: JQZ5CDCVM4OG · pith_short_16: JQZ5CDCVM4OGURK4 · pith_short_8: JQZ5CDCV

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/JQZ5CDCVM4OGURK43QGML6WX75 \
  | 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: 4c33d10c55671c6a455cdc0cc5fad7ff6cea934fdabf7fed545dd9f14fc74f2a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "71bb7be5de4497fa2061ad477fa97d7c330ae856f987be132548c03172bf7b3f",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2025-07-05T08:39:36Z",
    "title_canon_sha256": "4a38ea0929d9fefd48896f868a3bc66742f4bd7768fe65d92e7eb733717b266f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.03956",
    "kind": "arxiv",
    "version": 1
  }
}