Pith Number

pith:72CHINRV

pith:2023:72CHINRVDBAP4MBX7L27VTHJ7R

not attested not anchored not stored refs pending

Time integration schemes based on neural networks for solving partial differential equations on coarse grids

Xiaohan Cheng, Xiaolei Yang, Xinxin Yan, Zhideng Zhou

arxiv:2310.10308 v1 · 2023-10-16 · math.NA · cs.LG · cs.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{72CHINRVDBAP4MBX7L27VTHJ7R}

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	2026-07-05T07:01:18.465641Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe847436351840fe3037faf5facce9fc769d21c9234c45dff3e8f592339caf83

Aliases

arxiv: 2310.10308 · arxiv_version: 2310.10308v1 · doi: 10.48550/arxiv.2310.10308 · pith_short_12: 72CHINRVDBAP · pith_short_16: 72CHINRVDBAP4MBX · pith_short_8: 72CHINRV

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/72CHINRVDBAP4MBX7L27VTHJ7R \
  | 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: fe847436351840fe3037faf5facce9fc769d21c9234c45dff3e8f592339caf83

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7005e892763dac0e08cea8e6006d7b36314004c894daa7fb01227f98ff95c574",
    "cross_cats_sorted": [
      "cs.LG",
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2023-10-16T11:43:08Z",
    "title_canon_sha256": "b721810bd2d9251c7ef2e9418a38ed78376654a4fa12604e5dfd9fe7f03663ba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2310.10308",
    "kind": "arxiv",
    "version": 1
  }
}