Pith Number

pith:B6V2YDVW

pith:2018:B6V2YDVWA5JGVZCZL4UWVX4AZW

not attested not anchored not stored refs pending

Collaboratively Weighting Deep and Classic Representation via L2 Regularization for Image Classification

Bob Zhang, Jianping Gou, Shaoning Zeng, Yanghao Zhang

arxiv:1802.07589 v2 · 2018-02-21 · 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{B6V2YDVWA5JGVZCZL4UWVX4AZW}

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	2026-05-18T00:00:30.640241Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0fabac0eb607526ae4595f296adf80cd9a67c4dd30483c43f8dcb3f51d1a4b14

Aliases

arxiv: 1802.07589 · arxiv_version: 1802.07589v2 · doi: 10.48550/arxiv.1802.07589 · pith_short_12: B6V2YDVWA5JG · pith_short_16: B6V2YDVWA5JGVZCZ · pith_short_8: B6V2YDVW

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/B6V2YDVWA5JGVZCZL4UWVX4AZW \
  | 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: 0fabac0eb607526ae4595f296adf80cd9a67c4dd30483c43f8dcb3f51d1a4b14

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7916bbaf0c895d1e9d5018f7943d5f4c7a5ec75e9fa883a0a475eef333c568ad",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-02-21T14:46:48Z",
    "title_canon_sha256": "14361801054506eda254df72f70d3d7fd00993fd7f9bef948016fe3478244c08"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.07589",
    "kind": "arxiv",
    "version": 2
  }
}