pith. sign in
Pith Number

pith:JH5NQ7RL

pith:2019:JH5NQ7RLFH4XOULAOH66M7XK7E
not attested not anchored not stored refs pending

Hard Sample Mining for the Improved Retraining of Automatic Speech Recognition

Boyong Wu, Jiabin Xue, Jiaxing Guo, Jiqing Han, Tieran Zheng

arxiv:1904.08031 v1 · 2019-04-17 · cs.SD · cs.LG · eess.AS

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{JH5NQ7RLFH4XOULAOH66M7XK7E}

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 2026-05-17T23:48:19.005414Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

49fad87e2b29f977516071fde67eeaf9084bb5750ce2d99a0d0050e27dc260f5

Aliases

arxiv: 1904.08031 · arxiv_version: 1904.08031v1 · doi: 10.48550/arxiv.1904.08031 · pith_short_12: JH5NQ7RLFH4X · pith_short_16: JH5NQ7RLFH4XOULA · pith_short_8: JH5NQ7RL
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/JH5NQ7RLFH4XOULAOH66M7XK7E \
  | 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: 49fad87e2b29f977516071fde67eeaf9084bb5750ce2d99a0d0050e27dc260f5
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "7d9dd30a1ec7245c209e7752c9bf21eabe90956427078c1f05c9f6d7a6c43f18",
    "cross_cats_sorted": [
      "cs.LG",
      "eess.AS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SD",
    "submitted_at": "2019-04-17T00:39:35Z",
    "title_canon_sha256": "a0289fefadc068a0bdecd3e74421bb71dc03f76ada50b2654160a8c47d6b2ea1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.08031",
    "kind": "arxiv",
    "version": 1
  }
}