Pith Number

pith:663LT5AL

pith:2025:663LT5ALEU4HQTLQOND3U2G5Y2

not attested not anchored not stored refs pending

Double-offset Cassegrain telescopes for the Ultraviolet Type Ia (UVIa) mission concept

April D. Jewell, Christophe Basset, Curtis McCully, D. Andrew Howell, Daniel Harbeck, David J. Sand, Fernando Cruz Aguirre, Gillian Kyne, Greyson Davis, John Hennessy, Ken Shen, Keri Hoadley, Leonidas A. Moustakas, Peter Brown, Saurabh W. Jha, Shouleh Nikzad

arxiv:2507.16006 v1 · 2025-07-21 · 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{663LT5ALEU4HQTLQOND3U2G5Y2}

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	2026-07-05T11:41:00.969532Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f7b6b9f40b2538784d707347ba68ddc68a179d2d61b407fb7e784417dc85defc

Aliases

arxiv: 2507.16006 · arxiv_version: 2507.16006v1 · doi: 10.48550/arxiv.2507.16006 · pith_short_12: 663LT5ALEU4H · pith_short_16: 663LT5ALEU4HQTLQ · pith_short_8: 663LT5AL

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/663LT5ALEU4HQTLQOND3U2G5Y2 \
  | 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: f7b6b9f40b2538784d707347ba68ddc68a179d2d61b407fb7e784417dc85defc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "31c6a2ca736b8fbbc331ffd97bbcd1f100be187c1a02dc10c11f0c7669a566da",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2025-07-21T18:56:43Z",
    "title_canon_sha256": "c162e0b1575e7ec4c72c88ad5d4fb2619ea8d246aabe9a01c34848644a4d3508"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.16006",
    "kind": "arxiv",
    "version": 1
  }
}