Pith Number

pith:WVRWRTWT

pith:2022:WVRWRTWTVNGN7SFZBKHGJ4OT7M

not attested not anchored not stored refs pending

Active Learning for Open-set Annotation

Kun-Peng Ning, Sheng-Jun Huang, Xun Zhao, Yu Li

arxiv:2201.06758 v1 · 2022-01-18 · 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{WVRWRTWTVNGN7SFZBKHGJ4OT7M}

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	2026-07-05T03:49:01.160220Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b56368ced3ab4cdfc8b90a8e64f1d3fb35a3a3d41009830dfba662ec4120b193

Aliases

arxiv: 2201.06758 · arxiv_version: 2201.06758v1 · doi: 10.48550/arxiv.2201.06758 · pith_short_12: WVRWRTWTVNGN · pith_short_16: WVRWRTWTVNGN7SFZ · pith_short_8: WVRWRTWT

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/WVRWRTWTVNGN7SFZBKHGJ4OT7M \
  | 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: b56368ced3ab4cdfc8b90a8e64f1d3fb35a3a3d41009830dfba662ec4120b193

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d000954e7856e6a70fb1a79fd1552b84aaa92aaac198d4fb5db0dc8893eae545",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2022-01-18T06:11:51Z",
    "title_canon_sha256": "28c143ec1071da09f8c2e83ceb100887a1ab105da3f4c009a0e7a87c354ea6c2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.06758",
    "kind": "arxiv",
    "version": 1
  }
}