Pith Number

pith:CG2V74IX

pith:2021:CG2V74IXM4QQFMLJEEADSGXY7S

not attested not anchored not stored refs pending

Fetal Gender Identification using Machine and Deep Learning Algorithms on Phonocardiogram Signals

Mitra Sadat Mirshafiee, Mohammad Mahdi Ghassemi, Reza Khanmohammadi, Tuka Alhanai

arxiv:2110.06131 v1 · 2021-10-10 · eess.SP · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CG2V74IXM4QQFMLJEEADSGXY7S}

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	2026-07-05T03:22:10.834725Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

11b55ff117672102b1692100391af8fc91d255657bc017b6415af37df3ebdc0c

Aliases

arxiv: 2110.06131 · arxiv_version: 2110.06131v1 · doi: 10.48550/arxiv.2110.06131 · pith_short_12: CG2V74IXM4QQ · pith_short_16: CG2V74IXM4QQFMLJ · pith_short_8: CG2V74IX

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/CG2V74IXM4QQFMLJEEADSGXY7S \
  | 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: 11b55ff117672102b1692100391af8fc91d255657bc017b6415af37df3ebdc0c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6cf8f66aa78a8a0f0b41f18db593862937f7084a1bf56437d67c728be46fc558",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2021-10-10T16:25:09Z",
    "title_canon_sha256": "a91ac11d98b7ecb98fd1658a5e64c22ca3204c496bd545199582da5d570cc6f0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2110.06131",
    "kind": "arxiv",
    "version": 1
  }
}