Pith Number

pith:SB34ZJEB

pith:2019:SB34ZJEBFNYCIAMLPTAG67PEH7

not attested not anchored not stored refs pending

Semi-Unsupervised Lifelong Learning for Sentiment Classification: Less Manual Data Annotation and More Self-Studying

Dawei Liu, Gautam Pal, Ka Lok Man, Prudence Wong, Sheng-Uei Guan, Xianbin Hong, Xin Huang

arxiv:1905.01988 v2 · 2019-04-30 · cs.CL · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SB34ZJEBFNYCIAMLPTAG67PEH7}

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	2026-05-17T23:44:37.523058Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9077cca4812b7024018b7cc06f7de43fe09b8ba4a8cae726463be25748558865

Aliases

arxiv: 1905.01988 · arxiv_version: 1905.01988v2 · doi: 10.48550/arxiv.1905.01988 · pith_short_12: SB34ZJEBFNYC · pith_short_16: SB34ZJEBFNYCIAML · pith_short_8: SB34ZJEB

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/SB34ZJEBFNYCIAMLPTAG67PEH7 \
  | 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: 9077cca4812b7024018b7cc06f7de43fe09b8ba4a8cae726463be25748558865

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "694cca03a68e330a0b5ce64bd706f24d4894e91d163828941674cb8ca706875f",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-04-30T23:56:54Z",
    "title_canon_sha256": "300a8bf7a664150041eac4e4d2cb37284f255cff2ee6beb316b9bba8e19609c9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.01988",
    "kind": "arxiv",
    "version": 2
  }
}