Pith Number

pith:RWUSXVTA

pith:2023:RWUSXVTAZMJFKYCMKLYPQBPBDZ

not attested not anchored not stored refs pending

A hybrid physics-informed neural network based multiscale solver as a partial differential equation constrained optimization problem

Denis Korolev, Michael Hinterm\"uller

arxiv:2309.04439 v3 · 2023-09-08 · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RWUSXVTAZMJFKYCMKLYPQBPBDZ}

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

Hybrid machine learning based scale bridging framework for permeability prediction of fibrous structures

Receipt and verification

First computed	2026-07-05T09:03:16.410725Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8da92bd660cb1255604c52f0f805e11e518d613876ef5c4e4e73bcef1735f396

Aliases

arxiv: 2309.04439 · arxiv_version: 2309.04439v3 · doi: 10.48550/arxiv.2309.04439 · pith_short_12: RWUSXVTAZMJF · pith_short_16: RWUSXVTAZMJFKYCM · pith_short_8: RWUSXVTA

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/RWUSXVTAZMJFKYCMKLYPQBPBDZ \
  | 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: 8da92bd660cb1255604c52f0f805e11e518d613876ef5c4e4e73bcef1735f396

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3dcf3e7ad5282201c10171437f39d61c864c7c546ada7e0a98c243b3bc96652e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2023-09-08T17:04:23Z",
    "title_canon_sha256": "518e7948baca546d0f612c0ead720f44fb527bb85ae8230b37a5884f1d45f1b0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2309.04439",
    "kind": "arxiv",
    "version": 3
  }
}