Pith Number

pith:ORNSYP3C

pith:2019:ORNSYP3CZPE7OVUGDP6FXKS4GY

not attested not anchored not stored refs pending

Representative Task Self-selection for Flexible Clustered Lifelong Learning

Bineng Zhong, Gan Sun, Qianqian Wang, Yang Cong, Yun Fu

arxiv:1903.02173 v2 · 2019-03-06 · cs.LG · cs.AI · 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{ORNSYP3CZPE7OVUGDP6FXKS4GY}

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	2026-05-17T23:42:48.356193Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

745b2c3f62cbc9f756861bfc5baa5c360fa0cde5b87c07d25b4ca0a663b06341

Aliases

arxiv: 1903.02173 · arxiv_version: 1903.02173v2 · doi: 10.48550/arxiv.1903.02173 · pith_short_12: ORNSYP3CZPE7 · pith_short_16: ORNSYP3CZPE7OVUG · pith_short_8: ORNSYP3C

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/ORNSYP3CZPE7OVUGDP6FXKS4GY \
  | 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: 745b2c3f62cbc9f756861bfc5baa5c360fa0cde5b87c07d25b4ca0a663b06341

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0554374dab958773acdb5925279211c1ad07f3bd484c1ae7c2d9fb7629eaa6eb",
    "cross_cats_sorted": [
      "cs.AI",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-03-06T04:49:55Z",
    "title_canon_sha256": "63800051330b6f4fd6178018975085d3f01c3669853f6f07766421b52154a98e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.02173",
    "kind": "arxiv",
    "version": 2
  }
}