Pith Number

pith:IINIFLJU

pith:2012:IINIFLJULL5WLBF64DHKOLQ2PZ

not attested not anchored not stored refs pending

Differentiable Pooling for Hierarchical Feature Learning

Matthew D. Zeiler, Rob Fergus

arxiv:1207.0151 v1 · 2012-06-30 · cs.CV · 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{IINIFLJULL5WLBF64DHKOLQ2PZ}

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	2026-05-18T03:52:00.124189Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

421a82ad345afb6584bee0cea72e1a7e5bcdc7fb9afc7784e8cb0eb4f58d1bb3

Aliases

arxiv: 1207.0151 · arxiv_version: 1207.0151v1 · doi: 10.48550/arxiv.1207.0151 · pith_short_12: IINIFLJULL5W · pith_short_16: IINIFLJULL5WLBF6 · pith_short_8: IINIFLJU

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/IINIFLJULL5WLBF64DHKOLQ2PZ \
  | 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: 421a82ad345afb6584bee0cea72e1a7e5bcdc7fb9afc7784e8cb0eb4f58d1bb3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "abf735e6708bfca24c2aef7b8c7f053cc26ac7b959a3b87abd9361aa9fbfef2d",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2012-06-30T21:04:13Z",
    "title_canon_sha256": "96187ef4f64fd028ae26111f6f25d97e1e62550453efc81c08e5c22982ddb05d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.0151",
    "kind": "arxiv",
    "version": 1
  }
}