Pith Number

pith:CPRNRG64

pith:2019:CPRNRG64HFZGVEPFLTUSY5K2FT

not attested not anchored not stored refs pending

A Topology Layer for Machine Learning

Anjan Dwaraknath, Bradley J. Nelson, Gunnar Carlsson, Leonidas J. Guibas, Primoz Skraba, Rickard Br\"uel-Gabrielsson

arxiv:1905.12200 v2 · 2019-05-29 · cs.LG · 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{CPRNRG64HFZGVEPFLTUSY5K2FT}

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.

Cited by

1 paper in Pith

KaLDeX: Kalman Filter based Linear Deformable Cross Attention for Retina Vessel Segmentation

Receipt and verification

First computed	2026-07-05T00:57:49.322931Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

13e2d89bdc39726a91e55ce92c755a2cd21dadb6bfdc06cbad77ddb9294ee792

Aliases

arxiv: 1905.12200 · arxiv_version: 1905.12200v2 · doi: 10.48550/arxiv.1905.12200 · pith_short_12: CPRNRG64HFZG · pith_short_16: CPRNRG64HFZGVEPF · pith_short_8: CPRNRG64

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/CPRNRG64HFZGVEPFLTUSY5K2FT \
  | 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: 13e2d89bdc39726a91e55ce92c755a2cd21dadb6bfdc06cbad77ddb9294ee792

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9cd5b2ec18dd1a500ebe759add3be2ec3fd674d4176093cc67f5f8adcd25a4d2",
    "cross_cats_sorted": [
      "math.AT",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-05-29T03:46:32Z",
    "title_canon_sha256": "0b0c48250c986d16349770b703c1865d80a2564acad58549bfdfa5874d72e65d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.12200",
    "kind": "arxiv",
    "version": 2
  }
}