Pith Number

pith:VWZOWVOD

pith:2018:VWZOWVOD2UH5QAK5SAA3W4C4T3

not attested not anchored not stored refs pending

Shape Optimization by means of Proper Orthogonal Decomposition and Dynamic Mode Decomposition

Gianluca Gustin, Gianluigi Rozza, Gianpiero Lavini, Marco Tezzele, Nicola Demo

arxiv:1803.07368 v2 · 2018-03-20 · 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{VWZOWVOD2UH5QAK5SAA3W4C4T3}

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	2026-05-18T00:01:29.973267Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

adb2eb55c3d50fd8015d9001bb705c9ed1a84f2e127916df0aad93235010c4b4

Aliases

arxiv: 1803.07368 · arxiv_version: 1803.07368v2 · doi: 10.48550/arxiv.1803.07368 · pith_short_12: VWZOWVOD2UH5 · pith_short_16: VWZOWVOD2UH5QAK5 · pith_short_8: VWZOWVOD

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/VWZOWVOD2UH5QAK5SAA3W4C4T3 \
  | 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: adb2eb55c3d50fd8015d9001bb705c9ed1a84f2e127916df0aad93235010c4b4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d4f1155f36fd610825fb629317fb7477b6ddb57b220481b783e18a1267d6b16a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-03-20T11:13:28Z",
    "title_canon_sha256": "35de6d9d23fb18e79357a1538ee85585ab40ebd4a0fe199c3baf6132dfaa9d42"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.07368",
    "kind": "arxiv",
    "version": 2
  }
}