Pith Number

pith:IDA4C77Z

pith:2016:IDA4C77Z4NGXV6YRGJO26GAP4L

not attested not anchored not stored refs pending

Sparse Activity and Sparse Connectivity in Supervised Learning

G\"unther Palm, Markus Thom

arxiv:1603.08367 v1 · 2016-03-28 · cs.LG · cs.CG · cs.CV · 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{IDA4C77Z4NGXV6YRGJO26GAP4L}

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	2026-05-18T01:16:59.326728Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

40c1c17ff9e34d7afb11325daf180fe2f9704c5405a6e3dc3e2eea8939fec3ff

Aliases

arxiv: 1603.08367 · arxiv_version: 1603.08367v1 · doi: 10.48550/arxiv.1603.08367 · pith_short_12: IDA4C77Z4NGX · pith_short_16: IDA4C77Z4NGXV6YR · pith_short_8: IDA4C77Z

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/IDA4C77Z4NGXV6YRGJO26GAP4L \
  | 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: 40c1c17ff9e34d7afb11325daf180fe2f9704c5405a6e3dc3e2eea8939fec3ff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "45cd2e214cbe4b7dae285673569d643df5672e80ced16a6e5aa2bd18f155566d",
    "cross_cats_sorted": [
      "cs.CG",
      "cs.CV",
      "cs.NE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2016-03-28T12:06:49Z",
    "title_canon_sha256": "752c28efc716bf1e5ef2776854fa8178abc7f20e3a433116404a21e651570030"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.08367",
    "kind": "arxiv",
    "version": 1
  }
}