Pith Number

pith:LEFEBJR4

pith:2017:LEFEBJR4L2SZB4FVACUDSMLUUW

not attested not anchored not stored refs pending

Learning What Data to Learn

Fei Tian, Jiang Bian, Tao Qin, Tie-Yan Liu, Yang Fan

arxiv:1702.08635 v1 · 2017-02-28 · cs.LG · cs.AI · 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{LEFEBJR4L2SZB4FVACUDSMLUUW}

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	2026-05-18T00:49:48.216578Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

590a40a63c5ea590f0b500a8393174a5b0b73e27514cc0e7f0a9b2f0779f26a8

Aliases

arxiv: 1702.08635 · arxiv_version: 1702.08635v1 · doi: 10.48550/arxiv.1702.08635 · pith_short_12: LEFEBJR4L2SZ · pith_short_16: LEFEBJR4L2SZB4FV · pith_short_8: LEFEBJR4

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/LEFEBJR4L2SZB4FVACUDSMLUUW \
  | 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: 590a40a63c5ea590f0b500a8393174a5b0b73e27514cc0e7f0a9b2f0779f26a8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "33745110d89e0d0a99319b786e8147e1178145736779505ec2f21470d736a950",
    "cross_cats_sorted": [
      "cs.AI",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2017-02-28T03:52:06Z",
    "title_canon_sha256": "738b5ad3cdd21738461adf71dbd395718a6b49d241aa7e89e4f01225ab4f56c6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.08635",
    "kind": "arxiv",
    "version": 1
  }
}