Pith Number

pith:3S7QFCBQ

pith:2021:3S7QFCBQM4UBVYTEMKUJMU5SCM

not attested not anchored not stored refs pending

Labels, Information, and Computation: Efficient Learning Using Sufficient Labels

Jose C. Principe, Shiyu Duan, Spencer Chang

arxiv:2104.09015 v3 · 2021-04-19 · cs.LG · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3S7QFCBQM4UBVYTEMKUJMU5SCM}

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	2026-07-05T05:33:05.135174Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dcbf02883067281ae26462a89653b213393f7c99faf3c705657df2bd41a172f8

Aliases

arxiv: 2104.09015 · arxiv_version: 2104.09015v3 · doi: 10.48550/arxiv.2104.09015 · pith_short_12: 3S7QFCBQM4UB · pith_short_16: 3S7QFCBQM4UBVYTE · pith_short_8: 3S7QFCBQ

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/3S7QFCBQM4UBVYTEMKUJMU5SCM \
  | 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: dcbf02883067281ae26462a89653b213393f7c99faf3c705657df2bd41a172f8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3614eb293bf75438fcde603021e7b8762f302f6225768cdf24b33ad3bc3fe105",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-04-19T02:15:25Z",
    "title_canon_sha256": "e66baafe0ef06302a5627da07d34b1158bb72dcbe250b56ac9ea09569861ec1e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.09015",
    "kind": "arxiv",
    "version": 3
  }
}