Pith Number

pith:OLZ4MVRC

pith:2009:OLZ4MVRCW4GO6HSPQYKTKHB54H

not attested not anchored not stored refs pending

Creation and localization of entanglement in a simple configuration of coupled harmonic oscillators

F. L. Semi\~ao, J. F. Leandro

arxiv:0905.0430 v2 · 2009-05-04 · 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{OLZ4MVRCW4GO6HSPQYKTKHB54H}

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	2026-05-18T02:13:47.806175Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

72f3c65622b70cef1e4f8615351c3de1f97c67720c3192b90e41a9064c5ed270

Aliases

arxiv: 0905.0430 · arxiv_version: 0905.0430v2 · doi: 10.48550/arxiv.0905.0430 · pith_short_12: OLZ4MVRCW4GO · pith_short_16: OLZ4MVRCW4GO6HSP · pith_short_8: OLZ4MVRC

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/OLZ4MVRCW4GO6HSPQYKTKHB54H \
  | 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: 72f3c65622b70cef1e4f8615351c3de1f97c67720c3192b90e41a9064c5ed270

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e9bd967eb5d79aa9df27b17a5e61d56ce42c640bb8ea2d9816fcd05cc72a74d0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2009-05-04T17:22:53Z",
    "title_canon_sha256": "b91915b21c15f8a347785c913a5c08f95f2d414f97dbdbb780dbd869ee92e75f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0905.0430",
    "kind": "arxiv",
    "version": 2
  }
}