Pith Number

pith:NCLOTRGS

pith:2014:NCLOTRGSQ472LOUTR5V2UO5T7X

not attested not anchored not stored refs pending

Efficient Exact Gradient Update for training Deep Networks with Very Large Sparse Targets

Alexandre de Br\'ebisson, Pascal Vincent, Xavier Bouthillier

arxiv:1412.7091 v3 · 2014-12-22 · cs.NE · cs.CL · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NCLOTRGSQ472LOUTR5V2UO5T7X}

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	2026-05-18T01:36:58.165026Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6896e9c4d2873fa5ba938f6baa3bb3fdc99d0c9afae9d11679c685a5c835ce7f

Aliases

arxiv: 1412.7091 · arxiv_version: 1412.7091v3 · doi: 10.48550/arxiv.1412.7091 · pith_short_12: NCLOTRGSQ472 · pith_short_16: NCLOTRGSQ472LOUT · pith_short_8: NCLOTRGS

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/NCLOTRGSQ472LOUTR5V2UO5T7X \
  | 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: 6896e9c4d2873fa5ba938f6baa3bb3fdc99d0c9afae9d11679c685a5c835ce7f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5c9f664129b8d2aa5db568b4830681fb056c2eea79eeaa98ef8cf1a828f47f8e",
    "cross_cats_sorted": [
      "cs.CL",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NE",
    "submitted_at": "2014-12-22T18:51:08Z",
    "title_canon_sha256": "a183fcca645a3bdb87086317e84dbf778b1730bb16e1e30f19ed03a24a71b7bd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.7091",
    "kind": "arxiv",
    "version": 3
  }
}