Pith Number

pith:KQNNGHOL

pith:2019:KQNNGHOL3PLVVEK3HG576SHBEJ

not attested not anchored not stored refs pending

Generalized Transformation-based Gradient

Anbang Wu, Chunming Wu, Shuangxi Chen

arxiv:1911.02681 v3 · 2019-11-06 · cs.LG · math.OC · 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{KQNNGHOL3PLVVEK3HG576SHBEJ}

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	2026-07-05T00:43:20.852801Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

541ad31dcbdbd75a915b39bbff48e1224c2ecb30424dac7ec6396582cf8ca37a

Aliases

arxiv: 1911.02681 · arxiv_version: 1911.02681v3 · doi: 10.48550/arxiv.1911.02681 · pith_short_12: KQNNGHOL3PLV · pith_short_16: KQNNGHOL3PLVVEK3 · pith_short_8: KQNNGHOL

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/KQNNGHOL3PLVVEK3HG576SHBEJ \
  | 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: 541ad31dcbdbd75a915b39bbff48e1224c2ecb30424dac7ec6396582cf8ca37a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6969a7217d577e79c0596a818977b6a86faa4ec342c80e7f49e5ed59e5fedb91",
    "cross_cats_sorted": [
      "math.OC",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-11-06T23:40:12Z",
    "title_canon_sha256": "71c42964f4390a164d4dc7aef6d3596a5b5a90c16e8d569a54ca771132a117d2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1911.02681",
    "kind": "arxiv",
    "version": 3
  }
}