Pith Number

pith:LVUCEUP7

pith:2020:LVUCEUP7ABIVAMYM5HFF4EJKBY

not attested not anchored not stored refs pending

Structure-preserving neural networks

Alberto Badias, David Gonzalez, Elias Cueto, Francisco Chinesta, Quercus Hern\'andez

arxiv:2004.04653 v2 · 2020-04-09 · cs.LG · physics.comp-ph · 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{LVUCEUP7ABIVAMYM5HFF4EJKBY}

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	2026-07-05T01:51:18.824669Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5d682251ff005150330ce9ca5e112a0e1df25f28b73388504ef273fe4c132fba

Aliases

arxiv: 2004.04653 · arxiv_version: 2004.04653v2 · doi: 10.48550/arxiv.2004.04653 · pith_short_12: LVUCEUP7ABIV · pith_short_16: LVUCEUP7ABIVAMYM · pith_short_8: LVUCEUP7

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/LVUCEUP7ABIVAMYM5HFF4EJKBY \
  | 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: 5d682251ff005150330ce9ca5e112a0e1df25f28b73388504ef273fe4c132fba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "844fa5e222753367fc8f26552b707501fe9b79f125fb00aa01970e573c6a5edc",
    "cross_cats_sorted": [
      "physics.comp-ph",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2020-04-09T16:41:20Z",
    "title_canon_sha256": "72e1f3614620c58e1689143221ee71c0984111b6d5238738565108adc8af5fef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.04653",
    "kind": "arxiv",
    "version": 2
  }
}