Pith Number

pith:HYMF7ASL

pith:2021:HYMF7ASLLGX5NNDBSGJNHZLCCT

not attested not anchored not stored refs pending

Machine Learning for CSI Recreation Based on Prior Knowledge

Brenda Vilas Boas, Martin Haardt, Wolfgang Zirwas

arxiv:2111.07854 v1 · 2021-11-15 · eess.SP · cs.IT · cs.LG · 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{HYMF7ASLLGX5NNDBSGJNHZLCCT}

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	2026-07-05T03:31:44.494763Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3e185f824b59afd6b4619192d3e56214c585e94649d65a7bc1ca7c3e8a48da73

Aliases

arxiv: 2111.07854 · arxiv_version: 2111.07854v1 · doi: 10.48550/arxiv.2111.07854 · pith_short_12: HYMF7ASLLGX5 · pith_short_16: HYMF7ASLLGX5NNDB · pith_short_8: HYMF7ASL

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/HYMF7ASLLGX5NNDBSGJNHZLCCT \
  | 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: 3e185f824b59afd6b4619192d3e56214c585e94649d65a7bc1ca7c3e8a48da73

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "07427fadfcac725b9ffa4e81197da2d8ddc7f39504124a185e50bcfac3a51fe2",
    "cross_cats_sorted": [
      "cs.IT",
      "cs.LG",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2021-11-15T15:49:08Z",
    "title_canon_sha256": "ecf26b0090d07c482d8d903dc3a7029889c5839de421a347f0846880cb4072b4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.07854",
    "kind": "arxiv",
    "version": 1
  }
}