Pith Number

pith:PXRWXZNA

pith:2019:PXRWXZNANTPPIDKC3RP4U7VHEA

not attested not anchored not stored refs pending

Sampling low-dimensional Markovian dynamics for pre-asymptotically recovering reduced models from data with operator inference

Benjamin Peherstorfer

arxiv:1908.11233 v1 · 2019-08-29 · 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{PXRWXZNANTPPIDKC3RP4U7VHEA}

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	2026-07-05T00:00:31.840503Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7de36be5a06cdef40d42dc5fca7ea72025ad1f80a816a556be49aa19874e9782

Aliases

arxiv: 1908.11233 · arxiv_version: 1908.11233v1 · doi: 10.48550/arxiv.1908.11233 · pith_short_12: PXRWXZNANTPP · pith_short_16: PXRWXZNANTPPIDKC · pith_short_8: PXRWXZNA

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/PXRWXZNANTPPIDKC3RP4U7VHEA \
  | 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: 7de36be5a06cdef40d42dc5fca7ea72025ad1f80a816a556be49aa19874e9782

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c8117724198ac7726e1136c6811c453826e3a99923ebc697828b9d28c9f2779e",
    "cross_cats_sorted": [
      "cs.LG",
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2019-08-29T13:55:17Z",
    "title_canon_sha256": "68497511e71a9869586ca8693912e20c053bd14200b1934a6b2376b050b80ecb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.11233",
    "kind": "arxiv",
    "version": 1
  }
}