Pith Number

pith:R7FNF4HA

pith:2016:R7FNF4HAA74RZGZRNNV22XHDJ7

not attested not anchored not stored refs pending

Improved graph-based SFA: Information preservation complements the slowness principle

Alberto N. Escalante-B., Laurenz Wiskott

arxiv:1601.03945 v1 · 2016-01-15 · cs.CV · cs.LG · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{R7FNF4HAA74RZGZRNNV22XHDJ7}

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	2026-05-18T01:22:49.608223Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8fcad2f0e007f91c9b316b6bad5ce34fe4c43888149f8417c19edd35d6788e76

Aliases

arxiv: 1601.03945 · arxiv_version: 1601.03945v1 · doi: 10.48550/arxiv.1601.03945 · pith_short_12: R7FNF4HAA74R · pith_short_16: R7FNF4HAA74RZGZR · pith_short_8: R7FNF4HA

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/R7FNF4HAA74RZGZRNNV22XHDJ7 \
  | 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: 8fcad2f0e007f91c9b316b6bad5ce34fe4c43888149f8417c19edd35d6788e76

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6b12352ce305f5946ea65ec079f22434ca920fbed9553c249b81438546c7df1f",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2016-01-15T15:00:20Z",
    "title_canon_sha256": "0bbe332e5f9863276ce67a4e533ae6f9dcf7ac61bbede8f74ec934296a02116d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.03945",
    "kind": "arxiv",
    "version": 1
  }
}