Pith Number

pith:JUTI73YD

pith:2014:JUTI73YD2V5ZIZ4NV7AAGFL4WS

not attested not anchored not stored refs pending

Total Variation Regularisation in Measurement and Image space for PET reconstruction

Carola-Bibiane Sch\"onlieb, Evangelos Papoutsellis, Jahn M\"uller, Martin Burger

arxiv:1403.1272 v2 · 2014-03-05 · 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{JUTI73YD2V5ZIZ4NV7AAGFL4WS}

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	2026-05-18T02:47:05.405451Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4d268fef03d57b94678dafc003157cb487583d7e001832879e11d3a03494d019

Aliases

arxiv: 1403.1272 · arxiv_version: 1403.1272v2 · doi: 10.48550/arxiv.1403.1272 · pith_short_12: JUTI73YD2V5Z · pith_short_16: JUTI73YD2V5ZIZ4N · pith_short_8: JUTI73YD

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/JUTI73YD2V5ZIZ4NV7AAGFL4WS \
  | 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: 4d268fef03d57b94678dafc003157cb487583d7e001832879e11d3a03494d019

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "50a93fd9afdb96acbe1b7afe8044044ba4558e2d54154f759cbdf13224ef773f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2014-03-05T21:07:44Z",
    "title_canon_sha256": "f78a829607cd00b8f0f49b5a9463ca178d6a51f6ccea346dfac9cd127419dd70"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.1272",
    "kind": "arxiv",
    "version": 2
  }
}