Pith Number

pith:DK53T7FX

pith:2026:DK53T7FXNIXGXPIIHNABYWVZC5

not attested not anchored not stored refs pending

Learning Where to Simulate: Generative Active Sampling for Online PDE Surrogate Training

Abhishek Purandare (DATAMOVE), Bruno Raffin (DATAMOVE), Pierre Cesar (DATAMOVE), Sofya Dymchenko (DATAMOVE)

arxiv:2606.09949 v1 · 2026-06-08 · cs.LG · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DK53T7FXNIXGXPIIHNABYWVZC5}

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	2026-06-10T00:08:34.451120Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1abbb9fcb76a2e6bbd083b401c5ab9175f293482606f9cec6b01478b575e95f7

Aliases

arxiv: 2606.09949 · arxiv_version: 2606.09949v1 · doi: 10.48550/arxiv.2606.09949 · pith_short_12: DK53T7FXNIXG · pith_short_16: DK53T7FXNIXGXPII · pith_short_8: DK53T7FX

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/DK53T7FXNIXGXPIIHNABYWVZC5 \
  | 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: 1abbb9fcb76a2e6bbd083b401c5ab9175f293482606f9cec6b01478b575e95f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a8d74ab865aee2ac3770273c09d66493c123cdbf52c95e289842b5fae8464460",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-06-08T08:25:19Z",
    "title_canon_sha256": "7a3c4386e6c4729c44f20c96bcedadaf6218a632f181ba8ecf16ac7958bc0c58"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.09949",
    "kind": "arxiv",
    "version": 1
  }
}