Pith Number

pith:5RUE6X2T

pith:2014:5RUE6X2TRAJ5QHNJNS2CVCSCDY

not attested not anchored not stored refs pending

Parallel MRI Reconstruction by Convex Optimization

Cishen Zhang, Ifat-Al Baqee

arxiv:1408.0622 v1 · 2014-08-04 · physics.med-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5RUE6X2TRAJ5QHNJNS2CVCSCDY}

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	2026-05-18T02:45:56.625568Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ec684f5f538813d81da96cb42a8a421e25f20ce455d9431d0e61055abcb97db8

Aliases

arxiv: 1408.0622 · arxiv_version: 1408.0622v1 · doi: 10.48550/arxiv.1408.0622 · pith_short_12: 5RUE6X2TRAJ5 · pith_short_16: 5RUE6X2TRAJ5QHNJ · pith_short_8: 5RUE6X2T

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/5RUE6X2TRAJ5QHNJNS2CVCSCDY \
  | 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: ec684f5f538813d81da96cb42a8a421e25f20ce455d9431d0e61055abcb97db8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5f4080a01040f3b7e8d9b30f3a36dd6d643a59c83d6dfc1e21d4a50b44888788",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2014-08-04T09:40:38Z",
    "title_canon_sha256": "fa29ebbfe06e7edbc55e330f0e1414eb380abeb05d658505d2294d471c71598b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.0622",
    "kind": "arxiv",
    "version": 1
  }
}