Pith Number

pith:NPG2XD5E

pith:2024:NPG2XD5EN2UYGBEPXRDAMIOHNF

not attested not anchored not stored refs pending

Prediction of discretization of online GMsFEM using deep learning for Richards equation

Denis Spiridonov, Sergei Stepanov, Tina Mai

arxiv:2403.14177 v1 · 2024-03-21 · math.NA · 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{NPG2XD5EN2UYGBEPXRDAMIOHNF}

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	2026-07-05T07:58:55.424481Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6bcdab8fa46ea983048fbc460621c76955451151953e6f975eb80b95f4284eb4

Aliases

arxiv: 2403.14177 · arxiv_version: 2403.14177v1 · doi: 10.48550/arxiv.2403.14177 · pith_short_12: NPG2XD5EN2UY · pith_short_16: NPG2XD5EN2UYGBEP · pith_short_8: NPG2XD5E

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/NPG2XD5EN2UYGBEPXRDAMIOHNF \
  | 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: 6bcdab8fa46ea983048fbc460621c76955451151953e6f975eb80b95f4284eb4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4190b20a2f59939d6e9df0a3d1837a5a328c3013c071606aee294e2c58eedba4",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2024-03-21T07:00:59Z",
    "title_canon_sha256": "3ecd20d42347abbb0777aadf96a3d6a21f3dad6178c53ffe352a7e12904796a9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2403.14177",
    "kind": "arxiv",
    "version": 1
  }
}