Pith Number

pith:V5RL6LDY

pith:2019:V5RL6LDYFITLBAG4XHHASGCBBW

not attested not anchored not stored refs pending

Shape optimization through proper orthogonal decomposition with interpolation and dynamic mode decomposition enhanced by active subspaces

Gianluigi Rozza, Marco Tezzele, Nicola Demo

arxiv:1905.05483 v1 · 2019-05-14 · math.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{V5RL6LDYFITLBAG4XHHASGCBBW}

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	2026-05-17T23:46:16.336343Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

af62bf2c782a26b080dcb9ce0918410d95defb7bbaf7df4d5d8a8e378eee10ac

Aliases

arxiv: 1905.05483 · arxiv_version: 1905.05483v1 · doi: 10.48550/arxiv.1905.05483 · pith_short_12: V5RL6LDYFITL · pith_short_16: V5RL6LDYFITLBAG4 · pith_short_8: V5RL6LDY

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/V5RL6LDYFITLBAG4XHHASGCBBW \
  | 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: af62bf2c782a26b080dcb9ce0918410d95defb7bbaf7df4d5d8a8e378eee10ac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "82d7428da994091f8f7d8a94d2a3fa0989cbdbf1022c7fc690ac89b3577c9e8f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2019-05-14T09:33:19Z",
    "title_canon_sha256": "22fbc99b396c7efa420bb2c24fb5a428459edc44ad00bfe49bbf3b6901078098"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.05483",
    "kind": "arxiv",
    "version": 1
  }
}