Pith Number

pith:FKIQ4Q3D

pith:2026:FKIQ4Q3DCYXG5OLWAIKALR77MD

not attested not anchored not stored refs pending

Decision-Aware Evaluation of Physics-Informed Surrogates

Andrzej Czy\.zewski, Daniel Cie\'slak

arxiv:2606.07146 v1 · 2026-06-05 · cs.LG · cs.CE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FKIQ4Q3DCYXG5OLWAIKALR77MD}

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	2026-06-08T01:04:49.050083Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2a910e4363162e6eb976021405c7ff60d40785b94d209f6e0b7e2cb41b3ab628

Aliases

arxiv: 2606.07146 · arxiv_version: 2606.07146v1 · doi: 10.48550/arxiv.2606.07146 · pith_short_12: FKIQ4Q3DCYXG · pith_short_16: FKIQ4Q3DCYXG5OLW · pith_short_8: FKIQ4Q3D

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/FKIQ4Q3DCYXG5OLWAIKALR77MD \
  | 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: 2a910e4363162e6eb976021405c7ff60d40785b94d209f6e0b7e2cb41b3ab628

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "12687f15ff0f273b071645ca54666abe63a7812754590627e3ce01866ec1f2a8",
    "cross_cats_sorted": [
      "cs.CE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-06-05T11:00:46Z",
    "title_canon_sha256": "de9fc616b4c9e142be9b7ea5b680de7e4af2d81faad01ae88e6d44762568e71d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.07146",
    "kind": "arxiv",
    "version": 1
  }
}