Pith Number

pith:HPDO33ES

pith:2021:HPDO33ESFJDNK5YTL7BCVLCPJX

not attested not anchored not stored refs pending

Improved Conformer-based End-to-End Speech Recognition Using Neural Architecture Search

Pengyuan Zhang, Ta Li, Yonghong Yan, Yukun Liu

arxiv:2104.05390 v2 · 2021-04-12 · eess.AS · cs.SD

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HPDO33ESFJDNK5YTL7BCVLCPJX}

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	2026-07-05T02:31:24.163581Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3bc6edec922a46d577135fc22aac4f4dc3be764bd7ad47931ec882f385f51a09

Aliases

arxiv: 2104.05390 · arxiv_version: 2104.05390v2 · doi: 10.48550/arxiv.2104.05390 · pith_short_12: HPDO33ESFJDN · pith_short_16: HPDO33ESFJDNK5YT · pith_short_8: HPDO33ES

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/HPDO33ESFJDNK5YTL7BCVLCPJX \
  | 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: 3bc6edec922a46d577135fc22aac4f4dc3be764bd7ad47931ec882f385f51a09

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d6ffdcd1db557cc6cf61502358320347886df2d54658d7486185f7ae53cd3031",
    "cross_cats_sorted": [
      "cs.SD"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.AS",
    "submitted_at": "2021-04-12T12:17:55Z",
    "title_canon_sha256": "230de94ca273509b33095a6018a5af59dc9ab7bf98d1e6aaa39d4bd146a6107f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.05390",
    "kind": "arxiv",
    "version": 2
  }
}