Pith Number

pith:HK3DHFYG

pith:2025:HK3DHFYGGSFLWEH4UNYPVMFA2T

not attested not anchored not stored refs pending

Additive manufacturing in aluminium of a primary mirror for a CubeSat application: manufacture, testing and evaluation

(2) Durham University, (3) Daresbury Laboratory, (4) KU Leuven, (5) University of Edinburgh, (6) The Diamond Light Source), Arindam Majhi (6), Carolyn Atkins (1) ((1) UK Astronomy Technology Centre, Cyril Bourgenot (2), Eilidh Fraser (1), Franck P. Vidal (3), Fraser Laidlaw (5), Ilhan Aziz (1), James Carruthers (1), Jennifer Keogh (1), Joel Harman (1), Katherine Morris (1), Luca Millan (1), Mirko Sinico (4), Paul White (2), Scott McPhee (1), Spencer Davies (2), Wai Jue Tan (6), Wenjuan Sun (4), Younes Chahid (1)

arxiv:2508.08839 v1 · 2025-08-12 · astro-ph.IM · physics.optics

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HK3DHFYGGSFLWEH4UNYPVMFA2T}

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	2026-07-05T11:52:35.204116Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3ab6339706348abb10fca370fab0a0d4dd81e0f7c09980d79f8c555105ff0551

Aliases

arxiv: 2508.08839 · arxiv_version: 2508.08839v1 · doi: 10.48550/arxiv.2508.08839 · pith_short_12: HK3DHFYGGSFL · pith_short_16: HK3DHFYGGSFLWEH4 · pith_short_8: HK3DHFYG

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/HK3DHFYGGSFLWEH4UNYPVMFA2T \
  | 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: 3ab6339706348abb10fca370fab0a0d4dd81e0f7c09980d79f8c555105ff0551

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "29ae918edf7dacc2f561c5aa00680946e10f894437cea0a8036b046e3619aede",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2025-08-12T10:56:46Z",
    "title_canon_sha256": "8cb94a301c961cb68a361b6c0824f245fbe01881eaa479d78764aed6186f0487"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.08839",
    "kind": "arxiv",
    "version": 1
  }
}