Pith Number

pith:T6ABSQHP

pith:2020:T6ABSQHP3GBGKP7QPLXNTMIUYY

not attested not anchored not stored refs pending

Weak SINDy For Partial Differential Equations

Daniel A. Messenger, David M. Bortz

arxiv:2007.02848 v3 · 2020-07-06 · math.NA · cs.LG · cs.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{T6ABSQHP3GBGKP7QPLXNTMIUYY}

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

From inverse problems to neural operators: prediction, mechanism, and generalization of data-driven models

Receipt and verification

First computed	2026-07-05T03:01:09.227751Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9f801940efd982653ff07aeed9b114c626736051509c5733725a7f8aacc96b79

Aliases

arxiv: 2007.02848 · arxiv_version: 2007.02848v3 · doi: 10.48550/arxiv.2007.02848 · pith_short_12: T6ABSQHP3GBG · pith_short_16: T6ABSQHP3GBGKP7Q · pith_short_8: T6ABSQHP

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/T6ABSQHP3GBGKP7QPLXNTMIUYY \
  | 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: 9f801940efd982653ff07aeed9b114c626736051509c5733725a7f8aacc96b79

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4bc8e96481f2186a4d9509cf93ffaff4fe2e3b02f70094b6bc3263c68baa4ab1",
    "cross_cats_sorted": [
      "cs.LG",
      "cs.NA",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2020-07-06T16:03:51Z",
    "title_canon_sha256": "11edd13d69ae22a436b982cd7d7a4fedd89230dfb963b9937d1b0e9593c981eb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2007.02848",
    "kind": "arxiv",
    "version": 3
  }
}