Pith Number

pith:QR7IKPIT

pith:2025:QR7IKPITMOLNMJAQS5NYL7YG26

not attested not anchored not stored refs pending

Ultralow-power single-pass all-optical photon router

Alban Urvoy, J\'er\'emy Berroir, Julien Laurat, Tridib Ray

arxiv:2508.21124 v1 · 2025-08-28 · quant-ph · physics.atom-ph · 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{QR7IKPITMOLNMJAQS5NYL7YG26}

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	2026-07-05T12:01:28.334410Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

847e853d136396d62410975b85ff06d7bd8476fcd55854b787c5c5b9fb56e217

Aliases

arxiv: 2508.21124 · arxiv_version: 2508.21124v1 · doi: 10.48550/arxiv.2508.21124 · pith_short_12: QR7IKPITMOLN · pith_short_16: QR7IKPITMOLNMJAQ · pith_short_8: QR7IKPIT

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/QR7IKPITMOLNMJAQS5NYL7YG26 \
  | 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: 847e853d136396d62410975b85ff06d7bd8476fcd55854b787c5c5b9fb56e217

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "88ed6ee3bb72ad1f7155abc1bc8eb1ca8f9db27277b7554ed39b1e7ddacfa1e8",
    "cross_cats_sorted": [
      "physics.atom-ph",
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-08-28T18:00:09Z",
    "title_canon_sha256": "a0298d5eddbfbeb140f9095d9db0f0063ff195c2936a5eb1f9614649fd2a2a92"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.21124",
    "kind": "arxiv",
    "version": 1
  }
}