Pith Number

pith:4RR6KMCF

pith:2024:4RR6KMCFEVDRDGQ3D42QPIQEZK

not attested not anchored not stored refs pending

Coherent feedback for quantum expander in gravitational wave observatories

Joe Bentley, Mikhail Korobko, Niels B\"ottner, Roman Schnabel

arxiv:2403.03758 v1 · 2024-03-06 · physics.ins-det · astro-ph.IM · gr-qc · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4RR6KMCFEVDRDGQ3D42QPIQEZK}

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	2026-07-05T07:53:01.189755Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e463e530452547119a1b1f3507a204caa74e64195d5fcff118c66bc36ab3199b

Aliases

arxiv: 2403.03758 · arxiv_version: 2403.03758v1 · doi: 10.48550/arxiv.2403.03758 · pith_short_12: 4RR6KMCFEVDR · pith_short_16: 4RR6KMCFEVDRDGQ3 · pith_short_8: 4RR6KMCF

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/4RR6KMCFEVDRDGQ3D42QPIQEZK \
  | 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: e463e530452547119a1b1f3507a204caa74e64195d5fcff118c66bc36ab3199b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3b06569f653cb1164ea053a197da2f5ce267e5fe14e7a154430512f0220fe1b4",
    "cross_cats_sorted": [
      "astro-ph.IM",
      "gr-qc",
      "quant-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.ins-det",
    "submitted_at": "2024-03-06T14:48:13Z",
    "title_canon_sha256": "7647801365cd076e374952ef6cfb4c136e38205308668c7c8107a98b8f5ed331"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2403.03758",
    "kind": "arxiv",
    "version": 1
  }
}