Pith Number

pith:CX5GPA7C

pith:2018:CX5GPA7CEFWIO2NIPCB6XR55QF

not attested not anchored not stored refs pending

Faithful entanglement purification for high-capacity quantum communication with two-photon four-qubit systems

Ahmed Alsaedi, Fu-Guo Deng, Guan-Yu Wang, Qing Ai, Tao Li, Tasawar Hayat

arxiv:1802.00111 v3 · 2018-02-01 · 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{CX5GPA7CEFWIO2NIPCB6XR55QF}

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	2026-05-17T23:59:09.795001Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

15fa6783e2216c8769a87883ebc7bd81624ad8d5d9ab3e48ac0c717ac4b4e46d

Aliases

arxiv: 1802.00111 · arxiv_version: 1802.00111v3 · doi: 10.48550/arxiv.1802.00111 · pith_short_12: CX5GPA7CEFWI · pith_short_16: CX5GPA7CEFWIO2NI · pith_short_8: CX5GPA7C

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/CX5GPA7CEFWIO2NIPCB6XR55QF \
  | 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: 15fa6783e2216c8769a87883ebc7bd81624ad8d5d9ab3e48ac0c717ac4b4e46d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5ce7e157e60d5709b462f6d6906c2131b9719cfed3838a8a9056b9be3439dad7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-02-01T00:45:56Z",
    "title_canon_sha256": "378360f4ecf6d815259ffd2340805b33c7105e661eedabe583f4245377369d79"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.00111",
    "kind": "arxiv",
    "version": 3
  }
}