Pith Number

pith:MLXGO5I2

pith:2019:MLXGO5I2OQYCTPLISXEPEPVALH

not attested not anchored not stored refs pending

Channel Decoding with Quantum Approximate Optimization Algorithm

Toshiaki Koike-Akino, Toshiki Matsumine, Ye Wang

arxiv:1903.02537 v1 · 2019-03-06 · cs.IT · math.IT

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MLXGO5I2OQYCTPLISXEPEPVALH}

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	2026-05-17T23:51:55.115143Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

62ee67751a743029bd6895c8f23ea059d998444f825448a778407e0c6fc8e3e9

Aliases

arxiv: 1903.02537 · arxiv_version: 1903.02537v1 · doi: 10.48550/arxiv.1903.02537 · pith_short_12: MLXGO5I2OQYC · pith_short_16: MLXGO5I2OQYCTPLI · pith_short_8: MLXGO5I2

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/MLXGO5I2OQYCTPLISXEPEPVALH \
  | 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: 62ee67751a743029bd6895c8f23ea059d998444f825448a778407e0c6fc8e3e9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4937b7db08c7312edcf88489808f3143e702f4861ad664f55b4bba2ffebf2b17",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2019-03-06T18:16:45Z",
    "title_canon_sha256": "015474a8e9916ec58eac40b78f13cd7fd3c262e44cbded66cab0841336c5b81c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.02537",
    "kind": "arxiv",
    "version": 1
  }
}