Pith Number

pith:3QJB47HT

pith:2020:3QJB47HTQDQBDPX4CGE5SG637W

not attested not anchored not stored refs pending

Learnability with Indirect Supervision Signals

Dan Roth, Kaifu Wang, Qiang Ning

arxiv:2006.08791 v2 · 2020-06-15 · cs.LG · 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{3QJB47HTQDQBDPX4CGE5SG637W}

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	2026-07-05T01:50:58.545603Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dc121e7cf380e011befc1189d91bdbfd8e25af8c1fbe6bea732edc9966ec1928

Aliases

arxiv: 2006.08791 · arxiv_version: 2006.08791v2 · doi: 10.48550/arxiv.2006.08791 · pith_short_12: 3QJB47HTQDQB · pith_short_16: 3QJB47HTQDQBDPX4 · pith_short_8: 3QJB47HT

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/3QJB47HTQDQBDPX4CGE5SG637W \
  | 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: dc121e7cf380e011befc1189d91bdbfd8e25af8c1fbe6bea732edc9966ec1928

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1e0a932c159fc20600f220fa2610e1e221cc7fefd850c794de08e47b0d1cd137",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2020-06-15T21:57:11Z",
    "title_canon_sha256": "e594bcd620114078f3e3f473bda2e66b008151ee7689e60a8c07e57d5d2006bf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2006.08791",
    "kind": "arxiv",
    "version": 2
  }
}