Pith Number

pith:OSPPEWXF

pith:2017:OSPPEWXFHDHUXHAV7EMA6IIBDO

not attested not anchored not stored refs pending

PET-MRI Joint Reconstruction by Joint Sparsity Based Tight Frame Regularization

Chenglong Bao, Jae Kyu Choi, Xiaoqun Zhang

arxiv:1705.08654 v3 · 2017-05-24 · 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{OSPPEWXFHDHUXHAV7EMA6IIBDO}

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	2026-05-18T00:26:46.180779Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

749ef25ae538cf4b9c15f9180f21011bae82d5d8b9da937f5570a0098ddf596e

Aliases

arxiv: 1705.08654 · arxiv_version: 1705.08654v3 · doi: 10.48550/arxiv.1705.08654 · pith_short_12: OSPPEWXFHDHU · pith_short_16: OSPPEWXFHDHUXHAV · pith_short_8: OSPPEWXF

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/OSPPEWXFHDHUXHAV7EMA6IIBDO \
  | 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: 749ef25ae538cf4b9c15f9180f21011bae82d5d8b9da937f5570a0098ddf596e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8dbaea1fd60dd3ffadf426d89596d558ea7bb10f1f567c7352b82a0b2fcbf1c7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-05-24T08:30:04Z",
    "title_canon_sha256": "7d9b3dae660a99b651f5267ed6cdf8336dd0d42e5beeef4d60fd1b55305c5b0a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.08654",
    "kind": "arxiv",
    "version": 3
  }
}