Pith Number

pith:CMB54Y4Q

pith:2021:CMB54Y4QIEXXTL24RO5TGPBXZ2

not attested not anchored not stored refs pending

A Multi-level Acoustic Feature Extraction Framework for Transformer Based End-to-End Speech Recognition

Jin Li, Lan Wang, Nan Yan, Rongfeng Su, Xurong Xie

arxiv:2108.07980 v3 · 2021-08-18 · eess.AS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CMB54Y4QIEXXTL24RO5TGPBXZ2}

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	2026-07-05T04:38:23.723415Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1303de6390412f79af5c8bbb333c37ceba8a864824ebe7280b6ef2c5dcf428f3

Aliases

arxiv: 2108.07980 · arxiv_version: 2108.07980v3 · doi: 10.48550/arxiv.2108.07980 · pith_short_12: CMB54Y4QIEXX · pith_short_16: CMB54Y4QIEXXTL24 · pith_short_8: CMB54Y4Q

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/CMB54Y4QIEXXTL24RO5TGPBXZ2 \
  | 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: 1303de6390412f79af5c8bbb333c37ceba8a864824ebe7280b6ef2c5dcf428f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2ca4d71fe14bac1bc2c84605b883d7a4c43688d675edba16807ec77ced75e3f6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.AS",
    "submitted_at": "2021-08-18T05:28:27Z",
    "title_canon_sha256": "b1e9a60e42c9e77005fe395010a94426e8d933c82803b53778764df7afea7e93"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.07980",
    "kind": "arxiv",
    "version": 3
  }
}