Pith Number

pith:JECU2UPR

pith:2017:JECU2UPRRTVUF3XDEAZEWTTZJB

not attested not anchored not stored refs pending

Joint Reconstruction via Coupled Bregman Iterations with Applications to PET-MR Imaging

Eva-Maria Brinkmann, Julian Rasch, Martin Burger

arxiv:1704.06073 v3 · 2017-04-20 · 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{JECU2UPRRTVUF3XDEAZEWTTZJB}

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	2026-05-18T00:25:58.100590Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

49054d51f18ceb42eee320324b4e794844e7d853cc83f33088c173ad23cb0306

Aliases

arxiv: 1704.06073 · arxiv_version: 1704.06073v3 · doi: 10.48550/arxiv.1704.06073 · pith_short_12: JECU2UPRRTVU · pith_short_16: JECU2UPRRTVUF3XD · pith_short_8: JECU2UPR

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/JECU2UPRRTVUF3XDEAZEWTTZJB \
  | 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: 49054d51f18ceb42eee320324b4e794844e7d853cc83f33088c173ad23cb0306

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8740d3cacaec9e9403aefd1535613b7f628a837cd5117af48409c6222250f361",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-04-20T10:09:00Z",
    "title_canon_sha256": "b680f1fb9e5c86a3aeda555167882f5511e3624974c9372107977744488086d5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.06073",
    "kind": "arxiv",
    "version": 3
  }
}