Pith Number

pith:WUMA7KJ3

pith:2026:WUMA7KJ33SVW7O6LFSH5VZX7YB

not attested not anchored not stored refs pending

Gravitational Entanglement in Optomechanics: Distinguishing Classical and Quantum Models

Ankit Kumar, Borivoje Daki\'c, Samuel Schlegel, Tomasz Paterek

arxiv:2605.20330 v1 · 2026-05-19 · 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{WUMA7KJ33SVW7O6LFSH5VZX7YB}

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	2026-05-21T00:04:25.547230Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b5180fa93bdcab6fbbcb2c8fdae6ffc051a5c98122d841ec7be5c4e88ae63dbd

Aliases

arxiv: 2605.20330 · arxiv_version: 2605.20330v1 · doi: 10.48550/arxiv.2605.20330 · pith_short_12: WUMA7KJ33SVW · pith_short_16: WUMA7KJ33SVW7O6L · pith_short_8: WUMA7KJ3

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/WUMA7KJ33SVW7O6LFSH5VZX7YB \
  | 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: b5180fa93bdcab6fbbcb2c8fdae6ffc051a5c98122d841ec7be5c4e88ae63dbd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "64cbecbdf4b8489029d49f4a0851ef79e4b5386ab767c2e5a24082a410e1fbe2",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-05-19T18:00:02Z",
    "title_canon_sha256": "1a0bbee2c439327862521493cfd74f462a23ecc16059055630438d7c71d93b3c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.20330",
    "kind": "arxiv",
    "version": 1
  }
}