Pith Number

pith:HRRDF5K3

pith:2016:HRRDF5K3XJZQUBPS7AXPZE73DJ

not attested not anchored not stored refs pending

Quantifying brain microstructure with diffusion MRI: Theory and parameter estimation

Dmitry S. Novikov, Els Fieremans, Sune N. Jespersen, Valerij G. Kiselev

arxiv:1612.02059 v2 · 2016-12-06 · physics.bio-ph · physics.med-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{HRRDF5K3XJZQUBPS7AXPZE73DJ}

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	2026-05-18T00:18:04.247374Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3c6232f55bba730a05f2f82efc93fb1a77fea1ce95f90f8c3134dfed59349734

Aliases

arxiv: 1612.02059 · arxiv_version: 1612.02059v2 · doi: 10.48550/arxiv.1612.02059 · pith_short_12: HRRDF5K3XJZQ · pith_short_16: HRRDF5K3XJZQUBPS · pith_short_8: HRRDF5K3

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/HRRDF5K3XJZQUBPS7AXPZE73DJ \
  | 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: 3c6232f55bba730a05f2f82efc93fb1a77fea1ce95f90f8c3134dfed59349734

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ed9c81f4c9564facb153bc911adafd1c94e105cb8aa90f1c88705356a79d0a0f",
    "cross_cats_sorted": [
      "physics.med-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.bio-ph",
    "submitted_at": "2016-12-06T22:33:49Z",
    "title_canon_sha256": "82f7fad018dcf034c4d27f2cf656ab436179059f436b459f0d537844f9636384"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.02059",
    "kind": "arxiv",
    "version": 2
  }
}