Pith Number

pith:DHDGOYPM

pith:2025:DHDGOYPMBYPCEZ5GLMJL2TSIGG

not attested not anchored not stored refs pending

Synthetic Datasets for Machine Learning on Spatio-Temporal Graphs using PDEs

Jackie Ma, Jost Arndt, Michael Detzel, Utku Isil, Wojciech Samek

arxiv:2502.04140 v2 · 2025-02-06 · cs.LG · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DHDGOYPMBYPCEZ5GLMJL2TSIGG}

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	2026-07-05T11:37:15.799370Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

19c66761ec0e1e2267a65b12bd4e4831a752264f9cd41404328a7be33273e580

Aliases

arxiv: 2502.04140 · arxiv_version: 2502.04140v2 · doi: 10.48550/arxiv.2502.04140 · pith_short_12: DHDGOYPMBYPC · pith_short_16: DHDGOYPMBYPCEZ5G · pith_short_8: DHDGOYPM

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/DHDGOYPMBYPCEZ5GLMJL2TSIGG \
  | 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: 19c66761ec0e1e2267a65b12bd4e4831a752264f9cd41404328a7be33273e580

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "02b0fdc916832e703113fdbeb5cca2597643878fedc95bec19339a06f8b8fa9f",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-02-06T15:20:32Z",
    "title_canon_sha256": "5a181234b6688e0f9e52e7039402c16e7c2944cc3bf39a2a882032642b143250"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.04140",
    "kind": "arxiv",
    "version": 2
  }
}