Pith Number

pith:FVKBU46B

pith:2019:FVKBU46BPSTFTEW36GAYHIJV4A

not attested not anchored not stored refs pending

Lagrangian Dynamic Mode Decomposition for Construction of Reduced-Order Models of Advection-Dominated Phenomena

Daniel M. Tartakovsky, Hannah Lu

arxiv:1908.03688 v1 · 2019-08-10 · math.NA · cs.NA · 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{FVKBU46BPSTFTEW36GAYHIJV4A}

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	2026-07-05T00:41:34.518464Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2d541a73c17ca65992dbf18183a135e023024b011be1cf95f9b0c902ea48a15b

Aliases

arxiv: 1908.03688 · arxiv_version: 1908.03688v1 · doi: 10.48550/arxiv.1908.03688 · pith_short_12: FVKBU46BPSTF · pith_short_16: FVKBU46BPSTFTEW3 · pith_short_8: FVKBU46B

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/FVKBU46BPSTFTEW36GAYHIJV4A \
  | 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: 2d541a73c17ca65992dbf18183a135e023024b011be1cf95f9b0c902ea48a15b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0beb4af12674e35d75d73dea5f2b1d4417e73cef1f0aba5e0fa6247085430a74",
    "cross_cats_sorted": [
      "cs.NA",
      "physics.comp-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2019-08-10T04:35:53Z",
    "title_canon_sha256": "9ec9355c351a02efd6c2e06ef9f604095c7de2353a626b62bac225d6d53667fa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.03688",
    "kind": "arxiv",
    "version": 1
  }
}