Pith Number

pith:YURX4M2N

pith:2025:YURX4M2NDOWCML55FGXKWKZP4D

not attested not anchored not stored refs pending

EuLearn: A 3D database for learning Euler characteristics

Anayanzi D. Martinez-Hernandez, Eduardo Ivan Velazquez Richards, Pablo Su\'arez-Serrato, Rodrigo Fritz, Victor Mijangos

arxiv:2505.13539 v1 · 2025-05-18 · cs.CG · cs.CV · cs.LG · math.DG · math.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YURX4M2NDOWCML55FGXKWKZP4D}

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

FILTR: Extracting Topological Features from Pretrained 3D Models

Receipt and verification

First computed	2026-06-30T02:18:04.176333Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c5237e334d1bac262fbd29aeab2b2fe0fddac038a683363ba83050255d5c72e0

Aliases

arxiv: 2505.13539 · arxiv_version: 2505.13539v1 · doi: 10.48550/arxiv.2505.13539 · pith_short_12: YURX4M2NDOWC · pith_short_16: YURX4M2NDOWCML55 · pith_short_8: YURX4M2N

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/YURX4M2NDOWCML55FGXKWKZP4D \
  | 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: c5237e334d1bac262fbd29aeab2b2fe0fddac038a683363ba83050255d5c72e0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "239f53f5dac8821b3b4f8782cccb0c094d6c7bf0ebab6477ada383e2c5638960",
    "cross_cats_sorted": [
      "cs.CV",
      "cs.LG",
      "math.DG",
      "math.GT"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2025-05-18T19:22:04Z",
    "title_canon_sha256": "77ab5949c9d16a3085998cea34330bd1c67d3d9126cc9a03ea479ed0a1f89a69"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.13539",
    "kind": "arxiv",
    "version": 1
  }
}