Pith Number

pith:72DMOGY2

pith:2003:72DMOGY2LKRZ5AWQHVVBAQYDA5

not attested not anchored not stored refs pending

On the transfer of entanglement from a two-mode squeezed state to a pair of qubits

M. Paternostro, M. S. Kim, W. Son

arxiv:quant-ph/0310031 v2 · 2003-10-05 · 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{72DMOGY2LKRZ5AWQHVVBAQYDA5}

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	2026-07-04T14:46:25.558540Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe86c71b1a5aa39e82d03d6a104303074fdd6e6f57540b2d07caea1ec4bbc1e6

Aliases

arxiv: quant-ph/0310031 · arxiv_version: quant-ph/0310031v2 · doi: 10.48550/arxiv.quant-ph/0310031 · pith_short_12: 72DMOGY2LKRZ · pith_short_16: 72DMOGY2LKRZ5AWQ · pith_short_8: 72DMOGY2

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/72DMOGY2LKRZ5AWQHVVBAQYDA5 \
  | 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: fe86c71b1a5aa39e82d03d6a104303074fdd6e6f57540b2d07caea1ec4bbc1e6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cd87cba10bdcc05402f6c770a57c446afe9a6eabff7b25463c0bd89cc55634dc",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2003-10-05T18:17:23Z",
    "title_canon_sha256": "2e070c128338dae5576a0b55ede258d4f3f6049466a6ece8a4a432575d4621cd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0310031",
    "kind": "arxiv",
    "version": 2
  }
}