Pith Number

pith:7Z4HLEYU

pith:2018:7Z4HLEYUYZTUA3WPLD2WK5VSL2

not attested not anchored not stored refs pending

A parallel and streaming Dynamic Mode Decomposition algorithm with finite precision error analysis for large data

Krishnan Mahesh, Sreevatsa Anantharamu

arxiv:1805.05821 v2 · 2018-05-14 · physics.comp-ph · physics.flu-dyn

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7Z4HLEYUYZTUA3WPLD2WK5VSL2}

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	2026-05-17T23:53:30.987408Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe78759314c667406ecf58f56576b25e95d2a19597e5a024f52aba514243405c

Aliases

arxiv: 1805.05821 · arxiv_version: 1805.05821v2 · doi: 10.48550/arxiv.1805.05821 · pith_short_12: 7Z4HLEYUYZTU · pith_short_16: 7Z4HLEYUYZTUA3WP · pith_short_8: 7Z4HLEYU

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/7Z4HLEYUYZTUA3WPLD2WK5VSL2 \
  | 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: fe78759314c667406ecf58f56576b25e95d2a19597e5a024f52aba514243405c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "31ecc9b3d2dbf735e746971f1d67d993ca9260133501a9130ac65076c9e73820",
    "cross_cats_sorted": [
      "physics.flu-dyn"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2018-05-14T15:50:17Z",
    "title_canon_sha256": "15b35d191e5a6e3b4f05d4e1178a19fc332e2f2ca8b85fd041f89e2c9d64c5ad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.05821",
    "kind": "arxiv",
    "version": 2
  }
}