Pith Number

pith:7QFR6XBA

pith:2022:7QFR6XBACVYXEOXYXCJ2ZSZCWF

not attested not anchored not stored refs pending

MP-PCA denoising for diffusion MRS data: promises and pitfalls

Cristina Cudalbu, Dunja Simicic, Ileana O. Jelescu, Jessie Mosso

arxiv:2204.04266 v1 · 2022-04-08 · physics.med-ph · physics.bio-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{7QFR6XBACVYXEOXYXCJ2ZSZCWF}

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	2026-07-05T05:40:30.759900Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc0b1f5c201571723af8b893accb22b16f91024996d3de2316d5df9d58793eaa

Aliases

arxiv: 2204.04266 · arxiv_version: 2204.04266v1 · doi: 10.48550/arxiv.2204.04266 · pith_short_12: 7QFR6XBACVYX · pith_short_16: 7QFR6XBACVYXEOXY · pith_short_8: 7QFR6XBA

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/7QFR6XBACVYXEOXYXCJ2ZSZCWF \
  | 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: fc0b1f5c201571723af8b893accb22b16f91024996d3de2316d5df9d58793eaa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cd952ecb44caf2b92c45189e3560317e264e245bedb938b072847487fc42a769",
    "cross_cats_sorted": [
      "physics.bio-ph"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2022-04-08T19:31:28Z",
    "title_canon_sha256": "65c17d8157cb993d2036525b568a6c3771f74c8ca83f8646cb36da787af3cd73"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2204.04266",
    "kind": "arxiv",
    "version": 1
  }
}