Pith Number

pith:BGPKLT7X

pith:2021:BGPKLT7XYJGBFZZ3JELACCR7WM

not attested not anchored not stored refs pending

Operator inference of non-Markovian terms for learning reduced models from partially observed state trajectories

Benjamin Peherstorfer, Wayne Isaac Tan Uy

arxiv:2103.01362 v2 · 2021-03-01 · 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{BGPKLT7XYJGBFZZ3JELACCR7WM}

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	2026-07-05T02:26:29.274788Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

099ea5cff7c24c12e73b4916010a3fb30651a81b91b6e7b26a0ea07a789b1ab4

Aliases

arxiv: 2103.01362 · arxiv_version: 2103.01362v2 · doi: 10.48550/arxiv.2103.01362 · pith_short_12: BGPKLT7XYJGB · pith_short_16: BGPKLT7XYJGBFZZ3 · pith_short_8: BGPKLT7X

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/BGPKLT7XYJGBFZZ3JELACCR7WM \
  | 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: 099ea5cff7c24c12e73b4916010a3fb30651a81b91b6e7b26a0ea07a789b1ab4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2eec96cad5bf966d4514b4429ba59fd2b3d88446913945ed2504810fa420d000",
    "cross_cats_sorted": [
      "cs.NA",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-03-01T23:55:52Z",
    "title_canon_sha256": "6bbdba4be050a5dd3f6962c81e829d884d241e4c20a0dbbdb5dde97cb22ce2e2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.01362",
    "kind": "arxiv",
    "version": 2
  }
}