Pith Number

pith:XNYPUCUY

pith:2014:XNYPUCUYKP42YJE2FW5VSMEM75

not attested not anchored not stored refs pending

Improving entanglement of even entangled coherent states by a coherent superposition of photon subtraction and addition

Jie-Hui Huang, Li-yun Hu, Shi-You Liu, Xue-xiang Xu, Ying-Hua Ji, Zheng-Lu Duan

arxiv:1411.5499 v1 · 2014-11-20 · 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{XNYPUCUYKP42YJE2FW5VSMEM75}

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	2026-05-18T02:33:24.513762Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bb70fa0a9853f9ac249a2dbb59308cff63daa2976f0082039b80112c2a7ae15d

Aliases

arxiv: 1411.5499 · arxiv_version: 1411.5499v1 · doi: 10.48550/arxiv.1411.5499 · pith_short_12: XNYPUCUYKP42 · pith_short_16: XNYPUCUYKP42YJE2 · pith_short_8: XNYPUCUY

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/XNYPUCUYKP42YJE2FW5VSMEM75 \
  | 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: bb70fa0a9853f9ac249a2dbb59308cff63daa2976f0082039b80112c2a7ae15d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "43b133228d5c641d66200f0f04affd4c2f71c897a54bcf015b331cbdd5ef8938",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2014-11-20T10:48:38Z",
    "title_canon_sha256": "47bf8fe1d30bc114489b747a0945e45aa5f9cf7a7d80f7bb90d78e1d64479511"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.5499",
    "kind": "arxiv",
    "version": 1
  }
}