Pith Number

pith:Y7XALFZR

pith:2021:Y7XALFZRJCJL6EMNDR5U57NBTL

not attested not anchored not stored refs pending

Towards Ultrafast MRI via Extreme k-Space Undersampling and Superresolution

Aleksandr Belov, Dmitry V. Dylov, Joel Stadelmann, Sergey Kastryulin

arxiv:2103.02940 v1 · 2021-03-04 · cs.CV · 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{Y7XALFZRJCJL6EMNDR5U57NBTL}

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	2026-07-05T03:18:54.344373Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c7ee0597314892bf118d1c7b4efda19ac35160f06a5b748503ddf163a2f39cf5

Aliases

arxiv: 2103.02940 · arxiv_version: 2103.02940v1 · doi: 10.48550/arxiv.2103.02940 · pith_short_12: Y7XALFZRJCJL · pith_short_16: Y7XALFZRJCJL6EMN · pith_short_8: Y7XALFZR

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/Y7XALFZRJCJL6EMNDR5U57NBTL \
  | 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: c7ee0597314892bf118d1c7b4efda19ac35160f06a5b748503ddf163a2f39cf5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "20a8c8cdf0169832877e81006e5c44849029466e965738bc0e3ab1edf0174297",
    "cross_cats_sorted": [
      "eess.IV"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-03-04T10:45:01Z",
    "title_canon_sha256": "dfa52d8c05c3ff4e8045da94126ee4d67023bcfd4e6139418ca5f95afcac2d12"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.02940",
    "kind": "arxiv",
    "version": 1
  }
}