Pith Number

pith:4PNVYDUN

pith:2019:4PNVYDUNEU4UDY6Z7BA746BKBN

not attested not anchored not stored refs pending

The Information Complexity of Learning Tasks, their Structure and their Distance

Alessandro Achille, Giovanni Paolini, Glen Mbeng, Stefano Soatto

arxiv:1904.03292 v2 · 2019-04-05 · cs.LG · cs.IT · math.IT · 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{4PNVYDUNEU4UDY6Z7BA746BKBN}

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.

Cited by

1 paper in Pith

Transferability and Hardness of Supervised Classification Tasks

Receipt and verification

First computed	2026-07-05T01:18:15.200659Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e3db5c0e8d253941e3d9f841fe782a0b6ced1f28f27a600846a5c17373759f7d

Aliases

arxiv: 1904.03292 · arxiv_version: 1904.03292v2 · doi: 10.48550/arxiv.1904.03292 · pith_short_12: 4PNVYDUNEU4U · pith_short_16: 4PNVYDUNEU4UDY6Z · pith_short_8: 4PNVYDUN

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/4PNVYDUNEU4UDY6Z7BA746BKBN \
  | 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: e3db5c0e8d253941e3d9f841fe782a0b6ced1f28f27a600846a5c17373759f7d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fb255b3fbc57476c4cc4323ab1a19a97ffa069bde6d9580588e83bda66197abe",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-04-05T21:46:27Z",
    "title_canon_sha256": "cfc7b11bbfe46474ffeaccefe86899fcc5ae722862f9dd67ff614d82c877d4e2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.03292",
    "kind": "arxiv",
    "version": 2
  }
}