Pith Number

pith:2AVVNROB

pith:2016:2AVVNROBKDJI2R7AQKGNM3OUTP

not attested not anchored not stored refs pending

Deep Double Sparsity Encoder: Learning to Sparsify Not Only Features But Also Parameters

Thomas S. Huang, Zhangyang Wang

arxiv:1608.06374 v2 · 2016-08-23 · cs.LG · 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{2AVVNROBKDJI2R7AQKGNM3OUTP}

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	2026-05-18T01:03:32.297687Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d02b56c5c150d28d47e0828cd66dd49be5d6be0cd8e9b6cc66df7d719e6df217

Aliases

arxiv: 1608.06374 · arxiv_version: 1608.06374v2 · doi: 10.48550/arxiv.1608.06374 · pith_short_12: 2AVVNROBKDJI · pith_short_16: 2AVVNROBKDJI2R7A · pith_short_8: 2AVVNROB

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/2AVVNROBKDJI2R7AQKGNM3OUTP \
  | 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: d02b56c5c150d28d47e0828cd66dd49be5d6be0cd8e9b6cc66df7d719e6df217

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aaaf95b0ad574bb37bae2fa131ef2ed1837ef4399af14dc249f8c0ba515360cc",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2016-08-23T03:50:01Z",
    "title_canon_sha256": "e91c1dca8ecac0ef235571455823c71ee72df9cf10ecaeb3bec1aecfa88c55b8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.06374",
    "kind": "arxiv",
    "version": 2
  }
}