Pith Number

pith:MJIP7F7N

pith:2022:MJIP7F7N66QEWDCGMTIPUXSYFY

not attested not anchored not stored refs pending

A PINN Approach to Symbolic Differential Operator Discovery with Sparse Data

Brydon Eastman, Lena Podina, Mohammad Kohandel

arxiv:2212.04630 v1 · 2022-12-09 · cs.LG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MJIP7F7N66QEWDCGMTIPUXSYFY}

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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

Physics-guided correction for operator learning under model misspecification

Receipt and verification

First computed	2026-07-05T05:23:50.095475Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6250ff97edf7a04b0c4664d0fa5e582e303835d73e2fe075cfcb959408a8388e

Aliases

arxiv: 2212.04630 · arxiv_version: 2212.04630v1 · doi: 10.48550/arxiv.2212.04630 · pith_short_12: MJIP7F7N66QE · pith_short_16: MJIP7F7N66QEWDCG · pith_short_8: MJIP7F7N

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/MJIP7F7N66QEWDCGMTIPUXSYFY \
  | 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: 6250ff97edf7a04b0c4664d0fa5e582e303835d73e2fe075cfcb959408a8388e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "128493af3f485c54aa3e0a376f1a9aba22c8d29ed0700092fb3431d8c8b8640d",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2022-12-09T02:09:37Z",
    "title_canon_sha256": "c07b1fcb6989cd56b28953805084f75285b2a3808bb4a55e6b05931705b1ae19"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2212.04630",
    "kind": "arxiv",
    "version": 1
  }
}