Pith Number

pith:COUQVPQZ

pith:2010:COUQVPQZMIMPFMZJMD35PXR3L4

not attested not anchored not stored refs pending

Orientation-Dependent Entanglement Lifetime in a Squeezed Atomic Clock

Ian D. Leroux, Monika H. Schleier-Smith, Vladan Vuleti\'c

arxiv:1004.1725 v1 · 2010-04-10 · 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{COUQVPQZMIMPFMZJMD35PXR3L4}

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	2026-05-18T02:33:34.600133Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

13a90abe196218f2b32960f7d7de3b5f0c67484a06b01d9454fa9de6c0885143

Aliases

arxiv: 1004.1725 · arxiv_version: 1004.1725v1 · doi: 10.48550/arxiv.1004.1725 · pith_short_12: COUQVPQZMIMP · pith_short_16: COUQVPQZMIMPFMZJ · pith_short_8: COUQVPQZ

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/COUQVPQZMIMPFMZJMD35PXR3L4 \
  | 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: 13a90abe196218f2b32960f7d7de3b5f0c67484a06b01d9454fa9de6c0885143

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cbe0020d7c7809d5b89e489ef06effab5f65228692bb2b5ea3b051520b6cf7c2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2010-04-10T16:46:54Z",
    "title_canon_sha256": "a94d42c6457149acfa640afe621dc524934443904a7f4bd2a74a4bb27dd6a6e5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1004.1725",
    "kind": "arxiv",
    "version": 1
  }
}