Pith Number

pith:RQQLJDPK

pith:2024:RQQLJDPKKBRVBEQB6SASZKDPUN

not attested not anchored not stored refs pending

Another look at Residual Dynamic Mode Decomposition in the regime of fewer Snapshots than Dictionary Size

Matthew J.Colbrook

arxiv:2403.05891 v1 · 2024-03-09 · math.DS · cs.NA · math.NA · math.OC · math.SP · nlin.CD

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RQQLJDPKKBRVBEQB6SASZKDPUN}

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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.

Cited by

1 paper in Pith

Avoiding spectral pollution for transfer operators using residuals

Receipt and verification

First computed	2026-07-05T07:54:15.182299Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8c20b48dea5063509201f4812ca86fa35a7d037ad75bad0420518def0a143128

Aliases

arxiv: 2403.05891 · arxiv_version: 2403.05891v1 · doi: 10.48550/arxiv.2403.05891 · pith_short_12: RQQLJDPKKBRV · pith_short_16: RQQLJDPKKBRVBEQB · pith_short_8: RQQLJDPK

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/RQQLJDPKKBRVBEQB6SASZKDPUN \
  | 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: 8c20b48dea5063509201f4812ca86fa35a7d037ad75bad0420518def0a143128

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4f5541742b538e9b15de6a79c4de8f9d11c0a049e65aed97f7effb6fc57b3de1",
    "cross_cats_sorted": [
      "cs.NA",
      "math.NA",
      "math.OC",
      "math.SP",
      "nlin.CD"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2024-03-09T12:05:08Z",
    "title_canon_sha256": "69ca34d82a4a7441c87e0fdc97b080ef95b8af1828e5efa96d56ba4905ba4c86"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2403.05891",
    "kind": "arxiv",
    "version": 1
  }
}