Pith Number

pith:TZHPX5RO

pith:2021:TZHPX5ROACK6ZBFP4ABLIBJC3C

not attested not anchored not stored refs pending

Bagging, optimized dynamic mode decomposition (BOP-DMD) for robust, stable forecasting with spatial and temporal uncertainty-quantification

Diya Sashidhar, J. Nathan Kutz

arxiv:2107.10878 v1 · 2021-07-22 · cs.LG · math.DS · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TZHPX5ROACK6ZBFP4ABLIBJC3C}

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	2026-07-05T05:05:26.725160Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9e4efbf62e0095ec84afe002b40522d8b4e1b812016508630bd68380ff6ad0cc

Aliases

arxiv: 2107.10878 · arxiv_version: 2107.10878v1 · doi: 10.48550/arxiv.2107.10878 · pith_short_12: TZHPX5ROACK6 · pith_short_16: TZHPX5ROACK6ZBFP · pith_short_8: TZHPX5RO

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/TZHPX5ROACK6ZBFP4ABLIBJC3C \
  | 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: 9e4efbf62e0095ec84afe002b40522d8b4e1b812016508630bd68380ff6ad0cc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b6ab826e8a4b8b2612db7c8174e9f5dcbedd8f28d010cf5e557beb98efde9b23",
    "cross_cats_sorted": [
      "math.DS",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-07-22T18:14:20Z",
    "title_canon_sha256": "ff6f1a9796b78181688acf16f3ca367a66abc76a7550c054db0627c622f26dd8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.10878",
    "kind": "arxiv",
    "version": 1
  }
}