Pith Number

pith:UYV6H7U5

pith:2020:UYV6H7U5OJKYBZT25AC6MDB3DD

not attested not anchored not stored refs pending

Regularization of Inverse Problems

Christian Clason

arxiv:2001.00617 v2 · 2020-01-02 · math.FA · cs.NA · 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{UYV6H7U5OJKYBZT25AC6MDB3DD}

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.

Cited by

1 paper in Pith

A Distributionally Robust Framework for Learned Reconstructions in Inverse Problems

Receipt and verification

First computed	2026-07-05T02:13:12.361741Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a62be3fe9d725580e67ae805e60c3b18ebb93ca35ce1ff2b676787c0f301f41e

Aliases

arxiv: 2001.00617 · arxiv_version: 2001.00617v2 · doi: 10.48550/arxiv.2001.00617 · pith_short_12: UYV6H7U5OJKY · pith_short_16: UYV6H7U5OJKYBZT2 · pith_short_8: UYV6H7U5

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/UYV6H7U5OJKYBZT25AC6MDB3DD \
  | 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: a62be3fe9d725580e67ae805e60c3b18ebb93ca35ce1ff2b676787c0f301f41e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "847898eee66576edcff6d1f258e7c42f2385c8abfa986e771296bb0587d822a9",
    "cross_cats_sorted": [
      "cs.NA",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2020-01-02T20:40:03Z",
    "title_canon_sha256": "fbc18304ded9b8eb96ba3799625cab0276a2967eea7f85d44da384b1d95f3f5d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2001.00617",
    "kind": "arxiv",
    "version": 2
  }
}