Pith Number

pith:ZLS7ZXSE

pith:2021:ZLS7ZXSEMA3NBEU7XODLVI56B6

not attested not anchored not stored refs pending

A Novel Perspective for Positive-Unlabeled Learning via Noisy Labels

Daiki Ikami, Daiki Tanaka, Kiyoharu Aizawa

arxiv:2103.04685 v1 · 2021-03-08 · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZLS7ZXSEMA3NBEU7XODLVI56B6}

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	2026-07-05T02:21:08.378063Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cae5fcde446036d0929fbb86baa3be0f808d291f08aa37871f64a0e8f4b1337c

Aliases

arxiv: 2103.04685 · arxiv_version: 2103.04685v1 · doi: 10.48550/arxiv.2103.04685 · pith_short_12: ZLS7ZXSEMA3N · pith_short_16: ZLS7ZXSEMA3NBEU7 · pith_short_8: ZLS7ZXSE

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/ZLS7ZXSEMA3NBEU7XODLVI56B6 \
  | 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: cae5fcde446036d0929fbb86baa3be0f808d291f08aa37871f64a0e8f4b1337c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "be5393a7601176abe2497f44ee830d3e3e1b3208ed3241db5d4988c53890ee63",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-03-08T11:46:02Z",
    "title_canon_sha256": "f5b010d61800547073a924c69bdf8b1d9bc29dafd4417e74f4af9ec965a3c8bb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.04685",
    "kind": "arxiv",
    "version": 1
  }
}