Pith Number

pith:E7VQMQ5K

pith:2026:E7VQMQ5KECMYAZ7RZT3PIREGQJ

not attested not anchored not stored refs pending

A Distributionally Robust Framework for Learned Reconstructions in Inverse Problems

Christoph Brune, Floor van Maarschalkerwaart, Marcello Carioni, Subhadip Mukherjee

arxiv:2606.30230 v1 · 2026-06-29 · math.OC · 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{E7VQMQ5KECMYAZ7RZT3PIREGQJ}

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	2026-06-30T02:17:55.394297Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

27eb0643aa20998067f1ccf6f444868242e062e247088824f5e5feab8d7e295c

Aliases

arxiv: 2606.30230 · arxiv_version: 2606.30230v1 · doi: 10.48550/arxiv.2606.30230 · pith_short_12: E7VQMQ5KECMY · pith_short_16: E7VQMQ5KECMYAZ7R · pith_short_8: E7VQMQ5K

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/E7VQMQ5KECMYAZ7RZT3PIREGQJ \
  | 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: 27eb0643aa20998067f1ccf6f444868242e062e247088824f5e5feab8d7e295c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7778ac1c1497e3658f3a2d2a24d992906c2c6f97b9d1a2b2fa9bba998557d725",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2026-06-29T12:43:21Z",
    "title_canon_sha256": "74f098d416ed5e0e6d515be49290f55ec064fe4fb06366848390fb25c1658321"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.30230",
    "kind": "arxiv",
    "version": 1
  }
}