Pith Number

pith:7IYUAZXD

pith:2022:7IYUAZXDF3QSIOVAJZ7JZCRVPZ

not attested not anchored not stored refs pending

NUQ: A Noise Metric for Diffusion MRI via Uncertainty Discrepancy Quantification

Anders Eklund, Eleftherios Garyfallidis, Jens Sj\"olund, Shreyas Fadnavis

arxiv:2203.01921 v2 · 2022-03-03 · eess.IV · cs.CV · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7IYUAZXDF3QSIOVAJZ7JZCRVPZ}

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	2026-07-05T04:02:23.939693Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fa314066e32ee1243aa04e7e9c8a357e4daf84a453e182a192576bbe437413d8

Aliases

arxiv: 2203.01921 · arxiv_version: 2203.01921v2 · doi: 10.48550/arxiv.2203.01921 · pith_short_12: 7IYUAZXDF3QS · pith_short_16: 7IYUAZXDF3QSIOVA · pith_short_8: 7IYUAZXD

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/7IYUAZXDF3QSIOVAJZ7JZCRVPZ \
  | 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: fa314066e32ee1243aa04e7e9c8a357e4daf84a453e182a192576bbe437413d8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "285c1c168e18165078a42ab032bb38d4e58924952af436864366cbd6bc20db8c",
    "cross_cats_sorted": [
      "cs.CV",
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2022-03-03T18:53:49Z",
    "title_canon_sha256": "f55b2698d0fe6b77ea6473c328de5d2f02713a55c5d9b242085fdfa45a1ee752"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2203.01921",
    "kind": "arxiv",
    "version": 2
  }
}