Pith Number

pith:6Q4G4QPW

pith:2021:6Q4G4QPWOEA5OG2TG5O754BBZ4

not attested not anchored not stored refs pending

Learning with Different Amounts of Annotation: From Zero to Many Labels

Chengyue Gong, Eunsol Choi, Shujian Zhang

arxiv:2109.04408 v2 · 2021-09-09 · cs.CL · cs.AI · 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{6Q4G4QPWOEA5OG2TG5O754BBZ4}

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	2026-07-05T03:13:33.331157Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f4386e41f67101d71b53375dfef021cf36497d74c370cc3aaf309321e7ec138b

Aliases

arxiv: 2109.04408 · arxiv_version: 2109.04408v2 · doi: 10.48550/arxiv.2109.04408 · pith_short_12: 6Q4G4QPWOEA5 · pith_short_16: 6Q4G4QPWOEA5OG2T · pith_short_8: 6Q4G4QPW

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/6Q4G4QPWOEA5OG2TG5O754BBZ4 \
  | 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: f4386e41f67101d71b53375dfef021cf36497d74c370cc3aaf309321e7ec138b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0c59ae2dba987dfd2d7c4c562ecf98ca97f2639667705ddde24c3daff7381127",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-09-09T16:48:41Z",
    "title_canon_sha256": "196de35ad1fa9d45f23c0c564e1edc88645fae389548fcd77b5c022bb4b480db"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.04408",
    "kind": "arxiv",
    "version": 2
  }
}