Pith Number

pith:IUN3V6NT

pith:2021:IUN3V6NTEBNZ5SZHPZ3TRLTPOY

not attested not anchored not stored refs pending

Active operator inference for learning low-dimensional dynamical-system models from noisy data

Benjamin Peherstorfer, Wayne Isaac Tan Uy, Yuepeng Wang, Yuxiao Wen

arxiv:2107.09256 v2 · 2021-07-20 · cs.LG · cs.NA · 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{IUN3V6NTEBNZ5SZHPZ3TRLTPOY}

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	2026-07-05T03:00:35.176732Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

451bbaf9b3205b9ecb277e7738ae6f7623a360cd796a80dc6a2e28ea47bbcd0a

Aliases

arxiv: 2107.09256 · arxiv_version: 2107.09256v2 · doi: 10.48550/arxiv.2107.09256 · pith_short_12: IUN3V6NTEBNZ · pith_short_16: IUN3V6NTEBNZ5SZH · pith_short_8: IUN3V6NT

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/IUN3V6NTEBNZ5SZHPZ3TRLTPOY \
  | 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: 451bbaf9b3205b9ecb277e7738ae6f7623a360cd796a80dc6a2e28ea47bbcd0a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "088ba7efa22ac480cb1cf1d7b92a39e635c9f848fffa204a830ebee75c93e9e5",
    "cross_cats_sorted": [
      "cs.NA",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-07-20T04:30:07Z",
    "title_canon_sha256": "2a6dce61564ee8850f6dbe4347bad1b368c2a3980938a457b3ec99c9a1c7e804"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.09256",
    "kind": "arxiv",
    "version": 2
  }
}