Pith Number

pith:HA5W5JIH

pith:2026:HA5W5JIHCVI5IA5LOFHAHJF2VI

not attested not anchored not stored refs pending

Neural network surrogates with uncertainty quantification for inverse problems in partial differential equations

Antonio Vergari, Aretha L. Teckentrup, Christian Jimenez-Beltran, Konstantinos C. Zygalakis

arxiv:2606.20417 v1 · 2026-06-18 · 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{HA5W5JIHCVI5IA5LOFHAHJF2VI}

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	2026-06-19T16:13:11.960672Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

383b6ea5071551d403ab714e03a4baaa27fa49e033f2eb7daffa41deafcffdd1

Aliases

arxiv: 2606.20417 · arxiv_version: 2606.20417v1 · doi: 10.48550/arxiv.2606.20417 · pith_short_12: HA5W5JIHCVI5 · pith_short_16: HA5W5JIHCVI5IA5L · pith_short_8: HA5W5JIH

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/HA5W5JIHCVI5IA5LOFHAHJF2VI \
  | 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: 383b6ea5071551d403ab714e03a4baaa27fa49e033f2eb7daffa41deafcffdd1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a13009d4fe8e226b2e91817ce838696966d6d380fe8fdb65624b8bdf00e15ff9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-06-18T16:02:20Z",
    "title_canon_sha256": "3f3d32c971fd7e8805ad1566ab028f8434989511849f86919fafeaae2d1758a8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.20417",
    "kind": "arxiv",
    "version": 1
  }
}