Pith Number

pith:JYGFODCC

pith:2009:JYGFODCCM4IZEPLMNKIG7M4SLV

not attested not anchored not stored refs pending

Entanglement of mechanical oscillators coupled to a non-equilibrium environment

Florian Marquardt, K. Hammerer, Max Ludwig

arxiv:0912.4499 v2 · 2009-12-22 · quant-ph · cond-mat.mes-hall

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JYGFODCCM4IZEPLMNKIG7M4SLV}

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	2026-05-18T04:42:24.236599Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4e0c570c426711923d6c6a906fb3925d693058e52be0954a2346b5691437b52e

Aliases

arxiv: 0912.4499 · arxiv_version: 0912.4499v2 · doi: 10.48550/arxiv.0912.4499 · pith_short_12: JYGFODCCM4IZ · pith_short_16: JYGFODCCM4IZEPLM · pith_short_8: JYGFODCC

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/JYGFODCCM4IZEPLMNKIG7M4SLV \
  | 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: 4e0c570c426711923d6c6a906fb3925d693058e52be0954a2346b5691437b52e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "44c9ab180ab13d6301054a75173360e66ceb513fb827bbe3d5db8f6535633649",
    "cross_cats_sorted": [
      "cond-mat.mes-hall"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2009-12-22T19:53:04Z",
    "title_canon_sha256": "958f093dd2481cf6d6c9b042c781b9fa5cabb9025a44208c189512acb2e9e39a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.4499",
    "kind": "arxiv",
    "version": 2
  }
}