Pith Number

pith:H4K42DU4

pith:2017:H4K42DU44AG5UL4QASCJGWSGPO

not attested not anchored not stored refs pending

Orthogonal and Idempotent Transformations for Learning Deep Neural Networks

Cha Zhang, Jingdong Wang, Kexin Zhang, Yajie Xing

arxiv:1707.05974 v1 · 2017-07-19 · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{H4K42DU44AG5UL4QASCJGWSGPO}

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	2026-05-18T00:39:57.903664Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3f15cd0e9ce00dda2f900484935a467b92f60d717b0724935cad56a9424dee04

Aliases

arxiv: 1707.05974 · arxiv_version: 1707.05974v1 · doi: 10.48550/arxiv.1707.05974 · pith_short_12: H4K42DU44AG5 · pith_short_16: H4K42DU44AG5UL4Q · pith_short_8: H4K42DU4

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/H4K42DU44AG5UL4QASCJGWSGPO \
  | 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: 3f15cd0e9ce00dda2f900484935a467b92f60d717b0724935cad56a9424dee04

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c4ade88cf2bd328d15d70c25937c97eb8a33bd77fc464f2b0be7e3de244bff59",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-07-19T08:35:10Z",
    "title_canon_sha256": "fafa89c7734b5803ef0ed14f54759e2052544fc544e9867454a77a41e7f64664"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.05974",
    "kind": "arxiv",
    "version": 1
  }
}