Pith Number

pith:NQGFZVHI

pith:2019:NQGFZVHIZDRIHOR7BZR3FG2WFF

not attested not anchored not stored refs pending

Probabilistic Diffusion MRI Fiber Tracking Using a Directed Acyclic Graph Auto-Regressive Model of Positive Definite Matrices

Brian J Reich, Zhou Lan

arxiv:1906.06459 v1 · 2019-06-15 · stat.ME · stat.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NQGFZVHIZDRIHOR7BZR3FG2WFF}

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	2026-05-17T23:43:13.606081Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6c0c5cd4e8c8e283ba3f0e63b29b562977abbb442bcb842aa522d6053df4ceb6

Aliases

arxiv: 1906.06459 · arxiv_version: 1906.06459v1 · doi: 10.48550/arxiv.1906.06459 · pith_short_12: NQGFZVHIZDRI · pith_short_16: NQGFZVHIZDRIHOR7 · pith_short_8: NQGFZVHI

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/NQGFZVHIZDRIHOR7BZR3FG2WFF \
  | 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: 6c0c5cd4e8c8e283ba3f0e63b29b562977abbb442bcb842aa522d6053df4ceb6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "96b09bebf96b72313f3904e890a0c66b3c72ab9339081729b405aeb258717f4c",
    "cross_cats_sorted": [
      "stat.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2019-06-15T03:20:14Z",
    "title_canon_sha256": "439d31a240c00cc0a4256a2d05aaf076126d3c78c97ae6243ae5b488c588d7c5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.06459",
    "kind": "arxiv",
    "version": 1
  }
}