Pith Number

pith:AZCM3AMG

pith:2019:AZCM3AMGPAXUZB7JY6WJTG2A4N

not attested not anchored not stored refs pending

Double-Coupling Learning for Multi-Task Data Stream Classification

Haoran Chen, Kup-Sze Choi, Shitong Wang, Yingzhong Shi, Zhaohong Deng

arxiv:1908.06021 v1 · 2019-08-15 · cs.LG · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AZCM3AMGPAXUZB7JY6WJTG2A4N}

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	2026-07-04T23:57:55.318867Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0644cd8186782f4c87e9c7ac999b40e35c8eaf6538c59f244cfd46ce30198ce6

Aliases

arxiv: 1908.06021 · arxiv_version: 1908.06021v1 · doi: 10.48550/arxiv.1908.06021 · pith_short_12: AZCM3AMGPAXU · pith_short_16: AZCM3AMGPAXUZB7J · pith_short_8: AZCM3AMG

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/AZCM3AMGPAXUZB7JY6WJTG2A4N \
  | 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: 0644cd8186782f4c87e9c7ac999b40e35c8eaf6538c59f244cfd46ce30198ce6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "105924705b9c74e8b5c47153fc2311f3c1b1d27839f0d6f7b122450c1e7d2f22",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-08-15T02:59:56Z",
    "title_canon_sha256": "dfa29a0e665ad0384b8d70209b775e6a0859292f6b0a0af0bc3d00e732c3e2b0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.06021",
    "kind": "arxiv",
    "version": 1
  }
}