Pith Number

pith:HFCC5BWJ

pith:2024:HFCC5BWJT4L4GZ52DTO3GQJBGH

not attested not anchored not stored refs pending

A Digital Phantom for MR Spectroscopy Data Simulation

A.T. Gudmundson, C.W. Davies-Jenkins, D.M.J. van de Sande, D. Simicic, G. Oeltzschner, G. Simegn, H.J. Z\"ollner, \.I. \"Ozdemir, J.P. Merkofer, R.A.E. Edden, S. Amirrajab, S. Murali-Manohar

arxiv:2412.15869 v2 · 2024-12-20 · 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{HFCC5BWJT4L4GZ52DTO3GQJBGH}

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	2026-07-05T11:34:46.061908Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

39442e86c99f17c367ba1cddb3412131e4497f71c318ed786bbaa0f45ad098f8

Aliases

arxiv: 2412.15869 · arxiv_version: 2412.15869v2 · doi: 10.48550/arxiv.2412.15869 · pith_short_12: HFCC5BWJT4L4 · pith_short_16: HFCC5BWJT4L4GZ52 · pith_short_8: HFCC5BWJ

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/HFCC5BWJT4L4GZ52DTO3GQJBGH \
  | 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: 39442e86c99f17c367ba1cddb3412131e4497f71c318ed786bbaa0f45ad098f8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6ac7a43c4d924f7450d6a7f016d89b69887580952d6b29e0fd4b2145c622573f",
    "cross_cats_sorted": [
      "physics.bio-ph"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2024-12-20T13:14:18Z",
    "title_canon_sha256": "fa7cf0f84231a4cde479e2ac919c2d7e50610ee6e95c96d0ec321092c2a8e458"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2412.15869",
    "kind": "arxiv",
    "version": 2
  }
}