Pith Number

pith:7KKGPLKU

pith:2018:7KKGPLKU6MTB6JOXAKXNJUZ2BH

not attested not anchored not stored refs pending

Topological Approaches to Deep Learning

Gunnar Carlsson, Rickard Br\"uel Gabrielsson

arxiv:1811.01122 v1 · 2018-11-02 · cs.LG · cs.AI · math.AT · 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{7KKGPLKU6MTB6JOXAKXNJUZ2BH}

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	2026-05-18T00:01:35.320296Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fa9467ad54f3261f25d702aed4d33a09c55c79de8074e5d7edcc0c31ad30da6c

Aliases

arxiv: 1811.01122 · arxiv_version: 1811.01122v1 · doi: 10.48550/arxiv.1811.01122 · pith_short_12: 7KKGPLKU6MTB · pith_short_16: 7KKGPLKU6MTB6JOX · pith_short_8: 7KKGPLKU

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/7KKGPLKU6MTB6JOXAKXNJUZ2BH \
  | 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: fa9467ad54f3261f25d702aed4d33a09c55c79de8074e5d7edcc0c31ad30da6c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b1a3b2bcb9028f766a269d7a7005dc9230507573748b621c7f48e1f8255c2b30",
    "cross_cats_sorted": [
      "cs.AI",
      "math.AT",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2018-11-02T23:18:03Z",
    "title_canon_sha256": "ce900fb31745573a528d81978acdddd16773b3cbe20bb227c8483de720ff4588"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.01122",
    "kind": "arxiv",
    "version": 1
  }
}