Pith Number

pith:WBP3OPU4

pith:2023:WBP3OPU4RDYLLUVHDASOD7KNCI

not attested not anchored not stored refs pending

A digital twin framework for civil engineering structures

Andrea Manzoni, Karen E. Willcox, Marco Tezzele, Matteo Torzoni, Stefano Mariani

arxiv:2308.01445 v2 · 2023-08-02 · math.NA · cs.LG · 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{WBP3OPU4RDYLLUVHDASOD7KNCI}

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	2026-07-05T07:10:49.337874Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b05fb73e9c88f0b5d2a71824e1fd4d12090b5b1fd1ae823594d1c6d77f537fcb

Aliases

arxiv: 2308.01445 · arxiv_version: 2308.01445v2 · doi: 10.48550/arxiv.2308.01445 · pith_short_12: WBP3OPU4RDYL · pith_short_16: WBP3OPU4RDYLLUVH · pith_short_8: WBP3OPU4

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/WBP3OPU4RDYLLUVHDASOD7KNCI \
  | 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: b05fb73e9c88f0b5d2a71824e1fd4d12090b5b1fd1ae823594d1c6d77f537fcb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "875629c6795d33f3b882944d16f5fb79cbccaf3f48088762c37ed9db767f2d41",
    "cross_cats_sorted": [
      "cs.LG",
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2023-08-02T21:38:36Z",
    "title_canon_sha256": "ba16b219ba822cbf0bf4a71387d99702a6485585219b132a0a6c9464bdb115b2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2308.01445",
    "kind": "arxiv",
    "version": 2
  }
}