Pith Number

pith:4BMRLZD2

pith:2015:4BMRLZD2T6AILZLXUUVC2GWGFI

not attested not anchored not stored refs pending

Hybrid Orthogonal Projection and Estimation (HOPE): A New Framework to Probe and Learn Neural Networks

Hui Jiang, Shiliang Zhang

arxiv:1502.00702 v2 · 2015-02-03 · cs.LG · cs.NE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4BMRLZD2T6AILZLXUUVC2GWGFI}

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	2026-05-18T01:16:26.605199Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e05915e47a9f8085e577a52a2d1ac62a20daf3f51ef184d003f78b7361ed9fdd

Aliases

arxiv: 1502.00702 · arxiv_version: 1502.00702v2 · doi: 10.48550/arxiv.1502.00702 · pith_short_12: 4BMRLZD2T6AI · pith_short_16: 4BMRLZD2T6AILZLX · pith_short_8: 4BMRLZD2

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/4BMRLZD2T6AILZLXUUVC2GWGFI \
  | 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: e05915e47a9f8085e577a52a2d1ac62a20daf3f51ef184d003f78b7361ed9fdd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1aedc2df021fb2f7a056bc52faf5ef18fd18f2cc6a6ee682059b5e8fcf3efa7f",
    "cross_cats_sorted": [
      "cs.NE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2015-02-03T01:38:19Z",
    "title_canon_sha256": "1a6e24fe031315ba758521c3bd1e4e72dea1e4da6390077111d041e2b255aa07"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.00702",
    "kind": "arxiv",
    "version": 2
  }
}