Pith Number

pith:SXP3PC4K

pith:2026:SXP3PC4KTL63TQ33P7XZYRVD5G

not attested not anchored not stored refs pending

Recovering Sharp Conductivity Features in the Finite-Data Calder\'on Problem with Physics-Informed Neural Networks

Ali AlHadi Kalout, Guy David, Konstantin Karchev, Leonid Sarieddine, Max Engelstein, Pablo Tejerina-P\'erez, Pedro Taranc\'on-\'Alvarez, Raul Jimenez

arxiv:2606.28158 v1 · 2026-06-26 · cs.LG · cs.NA · eess.IV · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SXP3PC4KTL63TQ33P7XZYRVD5G}

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	2026-06-29T01:15:07.718950Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

95dfb78b8a9afdb9c37b7fef9c46a3e99bfb4ff7c515f1c78d0b5c3145d27079

Aliases

arxiv: 2606.28158 · arxiv_version: 2606.28158v1 · doi: 10.48550/arxiv.2606.28158 · pith_short_12: SXP3PC4KTL63 · pith_short_16: SXP3PC4KTL63TQ33 · pith_short_8: SXP3PC4K

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/SXP3PC4KTL63TQ33P7XZYRVD5G \
  | 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: 95dfb78b8a9afdb9c37b7fef9c46a3e99bfb4ff7c515f1c78d0b5c3145d27079

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9ce2dcdc72351d4b47cab0ef2efeffca4b545be4abfc1fe2b5b900f16b38850c",
    "cross_cats_sorted": [
      "cs.NA",
      "eess.IV",
      "math.NA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-06-26T14:54:32Z",
    "title_canon_sha256": "7cc866548cfe30b9b232c33c6ded240509fd8f8c771084317c575388228bd70b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.28158",
    "kind": "arxiv",
    "version": 1
  }
}