Pith Number

pith:2XN6DRFB

pith:2025:2XN6DRFBJQMYOKT6ZB5NSHYP6H

not attested not anchored not stored refs pending

Dual-Wavelength Brillouin Lasers as compact Opto-Terahertz References for Low-Noise Microwave Synthesis

Antoine Rolland, Brendan M. Heffernan, James Greenberg, Scott C. Egbert, William F. McGrew

arxiv:2505.21416 v1 · 2025-05-27 · 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{2XN6DRFBJQMYOKT6ZB5NSHYP6H}

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	2026-07-05T11:10:41.696469Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d5dbe1c4a14c19872a7ec87ad91f0ff1f7133ff3eaeef83f23a29d2b6fbce06d

Aliases

arxiv: 2505.21416 · arxiv_version: 2505.21416v1 · doi: 10.48550/arxiv.2505.21416 · pith_short_12: 2XN6DRFBJQMY · pith_short_16: 2XN6DRFBJQMYOKT6 · pith_short_8: 2XN6DRFB

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/2XN6DRFBJQMYOKT6ZB5NSHYP6H \
  | 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: d5dbe1c4a14c19872a7ec87ad91f0ff1f7133ff3eaeef83f23a29d2b6fbce06d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "64d4ffa2ebf459210b0837f92337b9c402a03bc23f0e7ce7c2808c574d2e74b2",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2025-05-27T16:42:43Z",
    "title_canon_sha256": "cd3d291a3d5b25dee68ee3b3a497ad4e091627244c2d83ed82b9e44de66733a1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.21416",
    "kind": "arxiv",
    "version": 1
  }
}