Pith Number

pith:YS4P42PO

pith:2025:YS4P42POV6KZR32WL7G7246D5U

not attested not anchored not stored refs pending

All-polarisation beamsplitters for interferometer applications

A.P. Spencer, C. Detavernier, J. De Bolle, J. Steinlechner, M. Vardaro, P.F. Smet, S. Coessens, S. Hild, S.L. Danilishin, S.L. Kranzhoff, S. Steinlechner, Z. Van Ranst

arxiv:2507.22866 v1 · 2025-07-30 · physics.optics · 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{YS4P42POV6KZR32WL7G7246D5U}

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	2026-07-05T11:45:50.646750Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c4b8fe69eeaf9598ef565fcdfd73c3ed11dc66decf54c2bb6c89e8cd953b93b8

Aliases

arxiv: 2507.22866 · arxiv_version: 2507.22866v1 · doi: 10.48550/arxiv.2507.22866 · pith_short_12: YS4P42POV6KZ · pith_short_16: YS4P42POV6KZR32W · pith_short_8: YS4P42PO

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/YS4P42POV6KZR32WL7G7246D5U \
  | 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: c4b8fe69eeaf9598ef565fcdfd73c3ed11dc66decf54c2bb6c89e8cd953b93b8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ad6fa6a2de4eaccee4661f37f0c9c75704d85ae38baf6e493af7f675fb10f9cd",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2025-07-30T17:41:27Z",
    "title_canon_sha256": "340bdcf76ee77408ae421102d8d4ac02103ff4e5719857ca0ba52b4e65ec49dc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.22866",
    "kind": "arxiv",
    "version": 1
  }
}