Pith Number

pith:7EUHC2KZ

pith:2013:7EUHC2KZXILF6LNISYSTDOGB5W

not attested not anchored not stored refs pending

A Convex Optimization Approach to pMRI Reconstruction

Cishen Zhang, Ifat Al Baqee

arxiv:1311.2366 v1 · 2013-11-11 · 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{7EUHC2KZXILF6LNISYSTDOGB5W}

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	2026-05-18T03:07:32.831205Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f928716959ba165f2da8962531b8c1edbca8dbd986cbf71e2a658f5e0324a4d0

Aliases

arxiv: 1311.2366 · arxiv_version: 1311.2366v1 · doi: 10.48550/arxiv.1311.2366 · pith_short_12: 7EUHC2KZXILF · pith_short_16: 7EUHC2KZXILF6LNI · pith_short_8: 7EUHC2KZ

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/7EUHC2KZXILF6LNISYSTDOGB5W \
  | 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: f928716959ba165f2da8962531b8c1edbca8dbd986cbf71e2a658f5e0324a4d0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f7c9013771d8025864576f224fba622ea5fcc74210f244300d707377d3f01f7e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2013-11-11T07:29:42Z",
    "title_canon_sha256": "c42aebc726f2764ab1fa7037638961cbb426c9312d9c54db20f85ac99fcb4920"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.2366",
    "kind": "arxiv",
    "version": 1
  }
}