Pith Number

pith:4PRPDK6N

pith:2022:4PRPDK6NY73AX32WKC2LRLLW4L

not attested not anchored not stored refs pending

Extension of Dynamic Mode Decomposition for dynamic systems with incomplete information based on t-model of optimal prediction

Aleksandr Katrutsa, Ivan Oseledets, Sergey Utyuzhnikov

arxiv:2202.11432 v1 · 2022-02-23 · math.NA · cs.LG · cs.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{4PRPDK6NY73AX32WKC2LRLLW4L}

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	2026-07-05T05:37:34.527700Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e3e2f1abcdc7f60bef5650b4b8ad76e2ede3d785232c178c1f4d107471c40caf

Aliases

arxiv: 2202.11432 · arxiv_version: 2202.11432v1 · doi: 10.48550/arxiv.2202.11432 · pith_short_12: 4PRPDK6NY73A · pith_short_16: 4PRPDK6NY73AX32W · pith_short_8: 4PRPDK6N

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/4PRPDK6NY73AX32WKC2LRLLW4L \
  | 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: e3e2f1abcdc7f60bef5650b4b8ad76e2ede3d785232c178c1f4d107471c40caf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4537e61a720de6c25a44496a9a026b388212aecb6812a32920c8e695d06d901a",
    "cross_cats_sorted": [
      "cs.LG",
      "cs.NA"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2022-02-23T11:23:59Z",
    "title_canon_sha256": "bc1b6dbf701d545ab79f8988c7378451ebf89f4acd8244ccfe3a97a878ecafae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2202.11432",
    "kind": "arxiv",
    "version": 1
  }
}