Pith Number

pith:DMU3ASPF

pith:2021:DMU3ASPFNFQBOWRZKGWNU4ZTG6

not attested not anchored not stored refs pending

Multifidelity Ensemble Kalman Filtering Using Surrogate Models Defined by Physics-Informed Autoencoders

Adrian Sandu, Andrey A Popov

arxiv:2102.13025 v2 · 2021-02-25 · math.OC · cs.LG

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Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DMU3ASPFNFQBOWRZKGWNU4ZTG6}

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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.

Cited by

1 paper in Pith

Multifidelity-Augmented Gaussian Process Inputs for Surrogate Modeling from Scarce Data

Receipt and verification

First computed	2026-07-05T02:22:07.344265Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1b29b049e56960175a3951acda73333798abd74b639ebbea5a8f4f722459176e

Aliases

arxiv: 2102.13025 · arxiv_version: 2102.13025v2 · doi: 10.48550/arxiv.2102.13025 · pith_short_12: DMU3ASPFNFQB · pith_short_16: DMU3ASPFNFQBOWRZ · pith_short_8: DMU3ASPF

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/DMU3ASPFNFQBOWRZKGWNU4ZTG6 \
  | 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: 1b29b049e56960175a3951acda73333798abd74b639ebbea5a8f4f722459176e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4df117b8845629d50c7e87c068c610e3b07f355771ed12e61c9e8ee354cb3338",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2021-02-25T17:32:35Z",
    "title_canon_sha256": "944cec6889a2dc68822c2317fdb3727bb600412b1328f3820139c23d35303dd6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.13025",
    "kind": "arxiv",
    "version": 2
  }
}