Pith Number

pith:T3MPTH7M

pith:2020:T3MPTH7MMCBVFCUX6C3VNQRLNK

not attested not anchored not stored refs pending

giotto-tda: A Topological Data Analysis Toolkit for Machine Learning and Data Exploration

Alberto Dassatti, Anibal Medina-Mardones, Guillaume Tauzin, Julian Burella P\'erez, Kathryn Hess, Lewis Tunstall, Matteo Caorsi, Umberto Lupo, Wojciech Reise

arxiv:2004.02551 v2 · 2020-04-06 · 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{T3MPTH7MMCBVFCUX6C3VNQRLNK}

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

4 papers in Pith

Quantum encodings that preserve persistent homology

Beyond Explained Variance: A Cautionary Tale of PCA

Uncovering Trajectory and Topological Signatures in Multimodal Pediatric Sleep Embeddings

Beyond Explained Variance: A Cautionary Tale of PCA

Receipt and verification

First computed	2026-07-05T02:20:41.842334Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9ed8f99fec6083528a97f0b756c22b6ab8e26626c7751eca1bff759d543e4ae2

Aliases

arxiv: 2004.02551 · arxiv_version: 2004.02551v2 · doi: 10.48550/arxiv.2004.02551 · pith_short_12: T3MPTH7MMCBV · pith_short_16: T3MPTH7MMCBVFCUX · pith_short_8: T3MPTH7M

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/T3MPTH7MMCBVFCUX6C3VNQRLNK \
  | 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: 9ed8f99fec6083528a97f0b756c22b6ab8e26626c7751eca1bff759d543e4ae2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bac5e1802bdeee93058d787bb5d0e68bd051dadf5f2461a75eb1dd10d48a201f",
    "cross_cats_sorted": [
      "math.AT",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2020-04-06T10:53:57Z",
    "title_canon_sha256": "80e103126855feaa2bbc3bf34003fdd8e7cdb9e0d9d464b09ce2c547f9962672"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.02551",
    "kind": "arxiv",
    "version": 2
  }
}