Pith Number

pith:SDHOJMW5

pith:2019:SDHOJMW5MTXXHYUU2ZOPFRLAII

not attested not anchored not stored refs pending

A Discussion on Solving Partial Differential Equations using Neural Networks

Tim Dockhorn

arxiv:1904.07200 v1 · 2019-04-15 · cs.LG · math.NA · 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{SDHOJMW5MTXXHYUU2ZOPFRLAII}

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	2026-05-17T23:48:34.965420Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

90cee4b2dd64ef73e294d65cf2c560423c1109a2039abf12a318d85f54cc9b48

Aliases

arxiv: 1904.07200 · arxiv_version: 1904.07200v1 · doi: 10.48550/arxiv.1904.07200 · pith_short_12: SDHOJMW5MTXX · pith_short_16: SDHOJMW5MTXXHYUU · pith_short_8: SDHOJMW5

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/SDHOJMW5MTXXHYUU2ZOPFRLAII \
  | 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: 90cee4b2dd64ef73e294d65cf2c560423c1109a2039abf12a318d85f54cc9b48

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fd91790152366802b9b108145b04318c1b6f9faa459093046706cce48cc8ff35",
    "cross_cats_sorted": [
      "math.NA",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-04-15T17:23:58Z",
    "title_canon_sha256": "9ccf4ed47d03e2d61d1482b557a249f900350bae9388a81466c3eee576d4ad2e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.07200",
    "kind": "arxiv",
    "version": 1
  }
}