Pith Number

pith:PBAQIDGB

pith:2018:PBAQIDGBF73TPQLUK536KYVQ3H

not attested not anchored not stored refs pending

Opening the black box of deep learning

Dian Lei, Jianfei Zhao, Xiaoxiao Chen

arxiv:1805.08355 v1 · 2018-05-22 · 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{PBAQIDGBF73TPQLUK536KYVQ3H}

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	2026-05-18T00:15:26.791197Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7841040cc12ff737c1745777e562b0d9c48011f37dd16328940a43100f9fe87d

Aliases

arxiv: 1805.08355 · arxiv_version: 1805.08355v1 · doi: 10.48550/arxiv.1805.08355 · pith_short_12: PBAQIDGBF73T · pith_short_16: PBAQIDGBF73TPQLU · pith_short_8: PBAQIDGB

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/PBAQIDGBF73TPQLUK536KYVQ3H \
  | 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: 7841040cc12ff737c1745777e562b0d9c48011f37dd16328940a43100f9fe87d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ca8490ad48aabd0f5254fffa388d5e950973140010e1f4587b7b9233469365ce",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2018-05-22T02:12:33Z",
    "title_canon_sha256": "6c56a18cfcf645250004dbaee4930d4028b3dd6bf3e5721bf74b7267f15c64dd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.08355",
    "kind": "arxiv",
    "version": 1
  }
}