Pith Number

pith:FR7KTIRF

pith:2025:FR7KTIRFKITIBTDM7KM6X3ZBJF

not attested not anchored not stored refs pending

SPIRiT Regularization: Parallel MRI with a Combination of Sensitivity Encoding and Linear Predictability

Alex McManus, Gennifer T. Smith, Nicholas Dwork, Stephen Becker

arxiv:2508.15132 v1 · 2025-08-20 · eess.IV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FR7KTIRFKITIBTDM7KM6X3ZBJF}

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	2026-07-05T11:57:07.034233Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c7ea9a225522680cc6cfa99ebef21496e257dd2df0a7d753392831af00f929c

Aliases

arxiv: 2508.15132 · arxiv_version: 2508.15132v1 · doi: 10.48550/arxiv.2508.15132 · pith_short_12: FR7KTIRFKITI · pith_short_16: FR7KTIRFKITIBTDM · pith_short_8: FR7KTIRF

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/FR7KTIRFKITIBTDM7KM6X3ZBJF \
  | 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: 2c7ea9a225522680cc6cfa99ebef21496e257dd2df0a7d753392831af00f929c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d3f19ed7acd4fba06fa03ff87de35613cb633f2fa46fb63b937379038e346f7c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2025-08-20T23:49:25Z",
    "title_canon_sha256": "c4efc2d122d3c537a313677b3f5c55a7dd67319bbe48e307a242c500645533c6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.15132",
    "kind": "arxiv",
    "version": 1
  }
}