Pith Number

pith:ED5B3XIC

pith:2013:ED5B3XICVCPX57UF7KGI3PZCG6

not attested not anchored not stored refs pending

Increasing and decreasing entanglement characteristics for continuous variables by a local photon subtraction

Chang-Woo Lee, Se-Wan Ji, Su-Yong Lee

arxiv:1305.6279 v1 · 2013-05-27 · 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	2026-05-18T01:49:41.095725Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

20fa1ddd02a89f7efe85fa8c8dbf2237a76cdc6b9888501025522dfe006bf673

Aliases

arxiv: 1305.6279 · arxiv_version: 1305.6279v1 · doi: 10.48550/arxiv.1305.6279 · pith_short_12: ED5B3XICVCPX · pith_short_16: ED5B3XICVCPX57UF · pith_short_8: ED5B3XIC

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/ED5B3XICVCPX57UF7KGI3PZCG6 \
  | 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: 20fa1ddd02a89f7efe85fa8c8dbf2237a76cdc6b9888501025522dfe006bf673

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3746cafb4564b623b7980f0ca3e1a38d43048883ee3e9035f7d7c2f48364526a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2013-05-27T17:29:58Z",
    "title_canon_sha256": "740966d80f00735f316235e1fe230f0caeb119d8605bb97938293263851528d2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.6279",
    "kind": "arxiv",
    "version": 1
  }
}