Pith Number

pith:QPQUB7NM

pith:2017:QPQUB7NMIKVKJ2W7B6PC4DQGRT

not attested not anchored not stored refs pending

Semi-Supervised Phoneme Recognition with Recurrent Ladder Networks

Johannes Twiefel, Marian Tietz, Stefan Wermter, Tayfun Alpay

arxiv:1706.02124 v2 · 2017-06-07 · cs.CL · cs.LG · cs.NE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QPQUB7NMIKVKJ2W7B6PC4DQGRT}

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	2026-05-18T00:34:57.158857Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

83e140fdac42aaa4eadf0f9e2e0e068cf27e6108afc10050f6f2182a6aa989dd

Aliases

arxiv: 1706.02124 · arxiv_version: 1706.02124v2 · doi: 10.48550/arxiv.1706.02124 · pith_short_12: QPQUB7NMIKVK · pith_short_16: QPQUB7NMIKVKJ2W7 · pith_short_8: QPQUB7NM

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/QPQUB7NMIKVKJ2W7B6PC4DQGRT \
  | 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: 83e140fdac42aaa4eadf0f9e2e0e068cf27e6108afc10050f6f2182a6aa989dd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "05fbd15c6a15277d587129ce046345a40ebd813595a0b3a3a21b79603228ff65",
    "cross_cats_sorted": [
      "cs.LG",
      "cs.NE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2017-06-07T10:50:47Z",
    "title_canon_sha256": "bdadda1c036cb534ed4029bbbf7b177981ff8c2a56f2df01be60c45da4130662"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.02124",
    "kind": "arxiv",
    "version": 2
  }
}