Pith Number

pith:WAA43SLD

pith:2022:WAA43SLDBLLJNA4IR7Z2RWAVXS

not attested not anchored not stored refs pending

Variable Dynamic Mode Decomposition for Estimating Time Eigenvalues in Nuclear Systems

Ethan Smith, Ilham Variansyah, Ryan McClarren

arxiv:2208.10942 v1 · 2022-08-20 · physics.comp-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WAA43SLDBLLJNA4IR7Z2RWAVXS}

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	2026-07-05T04:50:42.220701Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b001cdc9630ad69683888ff3a8d815bcb53dd058cf9460b3c098d5a02b0005e8

Aliases

arxiv: 2208.10942 · arxiv_version: 2208.10942v1 · doi: 10.48550/arxiv.2208.10942 · pith_short_12: WAA43SLDBLLJ · pith_short_16: WAA43SLDBLLJNA4I · pith_short_8: WAA43SLD

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/WAA43SLDBLLJNA4IR7Z2RWAVXS \
  | 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: b001cdc9630ad69683888ff3a8d815bcb53dd058cf9460b3c098d5a02b0005e8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c12990b6c5fb51807986454e6f5873defc530ffd9640e3435ec910c59b25da11",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2022-08-20T18:38:00Z",
    "title_canon_sha256": "8cd29c61a904966ed5a3f0a7daecc1fa4e5061afb9cee952466ed496b7b7a953"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2208.10942",
    "kind": "arxiv",
    "version": 1
  }
}