Pith Number

pith:BORUJTN3

pith:2018:BORUJTN3U37JEAVUULEA3OXOK7

not attested not anchored not stored refs pending

Clustering of Series via Dynamic Mode Decomposition and the Matrix Pencil Method

Clarence W. Rowley, Leonid Pogorelyuk

arxiv:1802.09878 v2 · 2018-02-27 · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BORUJTN3U37JEAVUULEA3OXOK7}

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	2026-05-18T00:18:04.996186Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0ba344cdbba6fe9202b4a2c80dbaee57c0d7b32ad60902030b4dfd315a5df35a

Aliases

arxiv: 1802.09878 · arxiv_version: 1802.09878v2 · doi: 10.48550/arxiv.1802.09878 · pith_short_12: BORUJTN3U37J · pith_short_16: BORUJTN3U37JEAVU · pith_short_8: BORUJTN3

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/BORUJTN3U37JEAVUULEA3OXOK7 \
  | 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: 0ba344cdbba6fe9202b4a2c80dbaee57c0d7b32ad60902030b4dfd315a5df35a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bd30591f673de8d5337c39cca375b8639639542e1d5f07bf6ef4f154038d06cb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-02-27T13:42:23Z",
    "title_canon_sha256": "3fd3c9572cd20dec09e8b8429dc7794c0263ec241217245baa00d66dfceb10a1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.09878",
    "kind": "arxiv",
    "version": 2
  }
}