Pith Number

pith:43UR4E4R

pith:2019:43UR4E4RKWTS4PQ65XF56BEF5U

not attested not anchored not stored refs pending

Fuzzy Tiling Activations: A Simple Approach to Learning Sparse Representations Online

Kirby Banman, Martha White, Yangchen Pan

arxiv:1911.08068 v3 · 2019-11-19 · cs.LG · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{43UR4E4RKWTS4PQ65XF56BEF5U}

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	2026-07-05T02:23:03.916731Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e6e91e139155a72e3e1eedcbdf0485ed04f1d391fe7d4311b97e12157570c3c0

Aliases

arxiv: 1911.08068 · arxiv_version: 1911.08068v3 · doi: 10.48550/arxiv.1911.08068 · pith_short_12: 43UR4E4RKWTS · pith_short_16: 43UR4E4RKWTS4PQ6 · pith_short_8: 43UR4E4R

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/43UR4E4RKWTS4PQ65XF56BEF5U \
  | 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: e6e91e139155a72e3e1eedcbdf0485ed04f1d391fe7d4311b97e12157570c3c0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4cb3d6b651bae1acb8697aa0d197fd73f361e60bea04d2c47fb8ff26db0f60e5",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-11-19T03:12:06Z",
    "title_canon_sha256": "54d7e12d54e1fb5dad4facc409676a6ab810dc4f456ad374e0ba5fff377e3e0d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1911.08068",
    "kind": "arxiv",
    "version": 3
  }
}