Pith Number

pith:INLSOHIS

pith:2026:INLSOHISLKJENNFKIZ7G36RNQL

not attested not anchored not stored refs pending

Dynamic inverse problems: Online regularisation theory

Jyrki Jauhiainen, Tuomo Valkonen, Yassine Nabou

arxiv:2605.26022 v1 · 2026-05-25 · math.NA · cs.NA · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{INLSOHISLKJENNFKIZ7G36RNQL}

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	2026-05-26T02:05:23.761298Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4357271d125a9246b4aa467e6dfa2d82d0970e7d84ba074727ae5dfcf2681b40

Aliases

arxiv: 2605.26022 · arxiv_version: 2605.26022v1 · doi: 10.48550/arxiv.2605.26022 · pith_short_12: INLSOHISLKJE · pith_short_16: INLSOHISLKJENNFK · pith_short_8: INLSOHIS

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/INLSOHISLKJENNFKIZ7G36RNQL \
  | 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: 4357271d125a9246b4aa467e6dfa2d82d0970e7d84ba074727ae5dfcf2681b40

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f64e874028686f69ac4a20e2771459dc3bd8d444050921da786d4dabeef2ece7",
    "cross_cats_sorted": [
      "cs.NA",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2026-05-25T16:44:17Z",
    "title_canon_sha256": "668c40b5830c6ccd961d75b3274f4af3636d292f402541f89f58b7d9943b1bd8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.26022",
    "kind": "arxiv",
    "version": 1
  }
}