Pith Number

pith:LFHUREWD

pith:2011:LFHUREWDEW5X7TMGIGGL6JZEDO

not attested not anchored not stored refs pending

Enhancing quantum entanglement for continuous variables by a coherent superposition of photon subtraction and addition

Ho-Joon Kim, Hyunchul Nha, Se-Wan Ji, Su-Yong Lee

arxiv:1107.2771 v1 · 2011-07-14 · quant-ph

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

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	2026-05-18T02:01:17.094260Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

594f4892c325bb7fcd86418cbf27241b81701a88ead5348fea1a63eb7ebf7650

Aliases

arxiv: 1107.2771 · arxiv_version: 1107.2771v1 · doi: 10.48550/arxiv.1107.2771 · pith_short_12: LFHUREWDEW5X · pith_short_16: LFHUREWDEW5X7TMG · pith_short_8: LFHUREWD

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/LFHUREWDEW5X7TMGIGGL6JZEDO \
  | 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: 594f4892c325bb7fcd86418cbf27241b81701a88ead5348fea1a63eb7ebf7650

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "12bead6f769492f49fa9d792ef6a7879996fc4e9b272dc3b86cb70d4df5c7853",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2011-07-14T09:54:31Z",
    "title_canon_sha256": "4ca1dcb90760530b6fce3497c240d725592b3f6c939bb9c08810305f9c9cf431"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.2771",
    "kind": "arxiv",
    "version": 1
  }
}