Pith Number

pith:TKPLADUN

pith:2019:TKPLADUNAQXQ5AFLNQLYTHGILB

not attested not anchored not stored refs pending

Mockingjay: Unsupervised Speech Representation Learning with Deep Bidirectional Transformer Encoders

Andy T. Liu, Hung-yi Lee, Po-chun Hsu, Po-Han Chi, Shu-wen Yang

arxiv:1910.12638 v2 · 2019-10-25 · eess.AS · cs.CL · cs.LG · 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{TKPLADUNAQXQ5AFLNQLYTHGILB}

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	2026-07-05T00:57:44.097894Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9a9eb00e8d042f0e80ab6c17899cc8584929c7587c884346e3cdad56e139e594

Aliases

arxiv: 1910.12638 · arxiv_version: 1910.12638v2 · doi: 10.48550/arxiv.1910.12638 · pith_short_12: TKPLADUNAQXQ · pith_short_16: TKPLADUNAQXQ5AFL · pith_short_8: TKPLADUN

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/TKPLADUNAQXQ5AFLNQLYTHGILB \
  | 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: 9a9eb00e8d042f0e80ab6c17899cc8584929c7587c884346e3cdad56e139e594

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d6e8d43cebe4341fe8e34639489160cbad2c6d6bf990792c36cd6a0944568133",
    "cross_cats_sorted": [
      "cs.CL",
      "cs.LG",
      "cs.SD"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.AS",
    "submitted_at": "2019-10-25T01:55:12Z",
    "title_canon_sha256": "686dfd46c259a486ca73f88d58f64f520cb71d3367913d95f63811114b6c149d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.12638",
    "kind": "arxiv",
    "version": 2
  }
}