pith. sign in
Pith Number

pith:LYJXA5PC

pith:2019:LYJXA5PC4OIEHRNJXFYHC7UVK7
not attested not anchored not stored refs pending

Cocktail Intra-Symbol-Codes: Exceeding the Channel Limit of QPSK Input

Bingli Jiao, Mingxi Yin, Yuli Yang

arxiv:1905.08915 v1 · 2019-05-22 · cs.IT · math.IT

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{LYJXA5PC4OIEHRNJXFYHC7UVK7}

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 2026-05-17T23:45:24.887076Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

5e137075e2e39043c5a9b970717e9557ea35bba7f467b16ca066b759420ab2bc

Aliases

arxiv: 1905.08915 · arxiv_version: 1905.08915v1 · doi: 10.48550/arxiv.1905.08915 · pith_short_12: LYJXA5PC4OIE · pith_short_16: LYJXA5PC4OIEHRNJ · pith_short_8: LYJXA5PC
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/LYJXA5PC4OIEHRNJXFYHC7UVK7 \
  | 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: 5e137075e2e39043c5a9b970717e9557ea35bba7f467b16ca066b759420ab2bc
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "3b689db545969e0d5d64ef18bbe07bfd92bcecde9469c45dd8f2cf8170f7677c",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2019-05-22T01:42:44Z",
    "title_canon_sha256": "a8d8a9a2d80d71888369e3f4bd379b04c3db86164f282bda1b5fb4dd09dd6303"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.08915",
    "kind": "arxiv",
    "version": 1
  }
}