Pith Number

pith:RGO4FJEJ

pith:2018:RGO4FJEJKQURIFGPOLE42FUO35

not attested not anchored not stored refs pending

The Adjoint Petrov-Galerkin Method for Non-Linear Model Reduction

Christopher Wentland, Eric J. Parish, Karthik Duraisamy

arxiv:1810.03455 v3 · 2018-10-08 · math.DS · physics.comp-ph · physics.flu-dyn

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RGO4FJEJKQURIFGPOLE42FUO35}

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	2026-07-05T00:00:23.464482Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

899dc2a48954291414cf72c9cd168edf599dcd32944a16e8a7548b787def26a0

Aliases

arxiv: 1810.03455 · arxiv_version: 1810.03455v3 · doi: 10.48550/arxiv.1810.03455 · pith_short_12: RGO4FJEJKQUR · pith_short_16: RGO4FJEJKQURIFGP · pith_short_8: RGO4FJEJ

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/RGO4FJEJKQURIFGPOLE42FUO35 \
  | 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: 899dc2a48954291414cf72c9cd168edf599dcd32944a16e8a7548b787def26a0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e0262236eb3f53706f1a0dbd97daab307bcef5593cb62f6561c555e9bf8acf11",
    "cross_cats_sorted": [
      "physics.comp-ph",
      "physics.flu-dyn"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2018-10-08T13:50:31Z",
    "title_canon_sha256": "aeefd48bec2773fb3d954e0feb1d8956268d58f16707ddd67abfa769d8eac422"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.03455",
    "kind": "arxiv",
    "version": 3
  }
}