Pith Number

pith:G5GP6N7S

pith:2026:G5GP6N7SQE4XAEHT3PNC7FEKL7

not attested not anchored not stored refs pending

Sparsity-Driven Source Localization in Tomographic Sensing Applications

Alexander Popp, Arne Ficks, Marco Mattuschka, Max von Danwitz, Noah An der Lan

arxiv:2606.11840 v1 · 2026-06-10 · math.NA · cs.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{G5GP6N7SQE4XAEHT3PNC7FEKL7}

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	2026-06-11T01:10:11.143890Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

374cff37f281397010f3dbda2f948a5fda63e03e54ebc1119fa91215e6a5efb8

Aliases

arxiv: 2606.11840 · arxiv_version: 2606.11840v1 · doi: 10.48550/arxiv.2606.11840 · pith_short_12: G5GP6N7SQE4X · pith_short_16: G5GP6N7SQE4XAEHT · pith_short_8: G5GP6N7S

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/G5GP6N7SQE4XAEHT3PNC7FEKL7 \
  | 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: 374cff37f281397010f3dbda2f948a5fda63e03e54ebc1119fa91215e6a5efb8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d7e3a5eb83494754d3e33bb8d5f2097ce5ce80842d670cd49bd6388a3bf43e8d",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2026-06-10T09:19:19Z",
    "title_canon_sha256": "8227ed6bb8b2efc81c6f63500d4924d71cb89cc523417dde1af6c029cc805421"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.11840",
    "kind": "arxiv",
    "version": 1
  }
}