pith. sign in
Pith Number

pith:A2S4BHR3

pith:2019:A2S4BHR3PCPISPJJ6GEXQLO35I
not attested not anchored not stored refs pending

Two New Families of Quantum Synchronizable Codes

Dongdai Lin, Lan Luo, Zhi Ma

arxiv:1904.03902 v2 · 2019-04-08 · quant-ph · cs.IT · math.IT

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{A2S4BHR3PCPISPJJ6GEXQLO35I}

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 2026-05-17T23:40:10.995872Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

06a5c09e3b789e893d29f189782ddbea13c0c92a3c880703cadded813b5ae114

Aliases

arxiv: 1904.03902 · arxiv_version: 1904.03902v2 · doi: 10.48550/arxiv.1904.03902 · pith_short_12: A2S4BHR3PCPI · pith_short_16: A2S4BHR3PCPISPJJ · pith_short_8: A2S4BHR3
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/A2S4BHR3PCPISPJJ6GEXQLO35I \
  | 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: 06a5c09e3b789e893d29f189782ddbea13c0c92a3c880703cadded813b5ae114
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "8c4855222d9e881a1e52f1be94dc20a25682eb49125bcdcf52131b31955b2130",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-04-08T09:20:56Z",
    "title_canon_sha256": "91ed620f64c36d027df923e921d6df7a5271a9f9887797d2356b3cf02788971b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.03902",
    "kind": "arxiv",
    "version": 2
  }
}