Pith Number

pith:65PU2AUR

pith:2021:65PU2AURM3ESIFGHL3UELLJCBK

not attested not anchored not stored refs pending

Discriminant Dynamic Mode Decomposition for Labeled Spatio-Temporal Data Collections

Keisuke Fujii, Koh Takeuchi, Naoya Takeishi, Yoshinobu Kawahara

arxiv:2102.09973 v1 · 2021-02-19 · cs.LG · cs.CV · cs.NA · math.DS · 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{65PU2AURM3ESIFGHL3UELLJCBK}

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	2026-07-05T02:16:38.699658Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f75f4d029166c92414c75ee845ad220ab6a8e0c920d28ded9ffcede939b83895

Aliases

arxiv: 2102.09973 · arxiv_version: 2102.09973v1 · doi: 10.48550/arxiv.2102.09973 · pith_short_12: 65PU2AURM3ES · pith_short_16: 65PU2AURM3ESIFGH · pith_short_8: 65PU2AUR

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/65PU2AURM3ESIFGHL3UELLJCBK \
  | 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: f75f4d029166c92414c75ee845ad220ab6a8e0c920d28ded9ffcede939b83895

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f61b20c7522f2c1f39d562e77f2847c85444fb7b5c8dd3f79110e687bb8f6f97",
    "cross_cats_sorted": [
      "cs.CV",
      "cs.NA",
      "math.DS",
      "math.NA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-02-19T15:12:59Z",
    "title_canon_sha256": "ad781613a79ae3b728ae70a521270bf296e7a2c8e96e4c9c54db5efdb1befd47"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.09973",
    "kind": "arxiv",
    "version": 1
  }
}