Pith Number

pith:TN75ZKY6

pith:2025:TN75ZKY6PHKOPFZ6ULCNBVIDY3

not attested not anchored not stored refs pending

Learning from Ambiguous Data with Hard Labels

Bao Li, Lichen Bai, Mingming Sun, Nan Lu, Ping Li, Shuo Yang, Zeke Xie, Zheng He

arxiv:2501.01844 v2 · 2025-01-03 · 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{TN75ZKY6PHKOPFZ6ULCNBVIDY3}

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	2026-07-05T09:58:27.647310Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9b7fdcab1e79d4e7973ea2c4d0d503c6e3dc7e0f70864127dd62cadbbce8e409

Aliases

arxiv: 2501.01844 · arxiv_version: 2501.01844v2 · doi: 10.48550/arxiv.2501.01844 · pith_short_12: TN75ZKY6PHKO · pith_short_16: TN75ZKY6PHKOPFZ6 · pith_short_8: TN75ZKY6

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/TN75ZKY6PHKOPFZ6ULCNBVIDY3 \
  | 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: 9b7fdcab1e79d4e7973ea2c4d0d503c6e3dc7e0f70864127dd62cadbbce8e409

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "10a63ebf26448513cbf304786c4efc291ef9587d6c9185de4ab42d1cd90b2ad5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-01-03T14:54:49Z",
    "title_canon_sha256": "fee86759349bcec0114e426dbf89825fa4a19c57963be66e723b31270c82e9a3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.01844",
    "kind": "arxiv",
    "version": 2
  }
}