Pith Number

pith:RHA7HFIJ

pith:2018:RHA7HFIJ2LTWJODSQKS2L3KWQV

not attested not anchored not stored refs pending

A machine learning framework for data driven acceleration of computations of differential equations

Siddhartha Mishra

arxiv:1807.09519 v1 · 2018-07-25 · math.NA · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RHA7HFIJ2LTWJODSQKS2L3KWQV}

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.

Cited by

1 paper in Pith

Gaussian process surrogate with physical law-corrected prior for multi-coupled PDEs defined on irregular geometry

Receipt and verification

First computed	2026-05-17T23:51:54.391591Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

89c1f39509d2e764b87282a5a5ed5685522479eac49ba643375621c6e8ad0b02

Aliases

arxiv: 1807.09519 · arxiv_version: 1807.09519v1 · doi: 10.48550/arxiv.1807.09519 · pith_short_12: RHA7HFIJ2LTW · pith_short_16: RHA7HFIJ2LTWJODS · pith_short_8: RHA7HFIJ

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/RHA7HFIJ2LTWJODSQKS2L3KWQV \
  | 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: 89c1f39509d2e764b87282a5a5ed5685522479eac49ba643375621c6e8ad0b02

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fa229a76174b02293b0295fe15daf3d2f45969c8a1dbc020ad1c09f2e6e335d3",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-07-25T10:33:20Z",
    "title_canon_sha256": "84503b786ee7f702e4afbaebeb6d94f001fefdc2fabb14bb1e661deb2c818173"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.09519",
    "kind": "arxiv",
    "version": 1
  }
}