Pith Number

pith:HVN3QAM7

pith:2019:HVN3QAM7MS7UU5RI5RNDGKM3TI

not attested not anchored not stored refs pending

A tutorial on group effective connectivity analysis, part 1: first level analysis with DCM for fMRI

Adeel Razi, Amirhossein Jafarian, Cathy J. Price, Karl J. Friston, Mohamed L. Seghier, Nad\`ege Corbin, Peter Zeidman

arxiv:1902.10597 v1 · 2019-02-27 · q-bio.QM · q-bio.NC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HVN3QAM7MS7UU5RI5RNDGKM3TI}

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	2026-05-17T23:40:49.160150Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3d5bb8019f64bf4a7628ec5a33299b9a08bf3bb984d92e087aa4da0b163a242c

Aliases

arxiv: 1902.10597 · arxiv_version: 1902.10597v1 · doi: 10.48550/arxiv.1902.10597 · pith_short_12: HVN3QAM7MS7U · pith_short_16: HVN3QAM7MS7UU5RI · pith_short_8: HVN3QAM7

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/HVN3QAM7MS7UU5RI5RNDGKM3TI \
  | 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: 3d5bb8019f64bf4a7628ec5a33299b9a08bf3bb984d92e087aa4da0b163a242c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7c34e2634c7c51706ff8e48d1271f4bb82f01b534d3d02268d7df64105aedd80",
    "cross_cats_sorted": [
      "q-bio.NC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.QM",
    "submitted_at": "2019-02-27T15:39:41Z",
    "title_canon_sha256": "4a8c680b2168f913fbce2a4d05e31fa9fcb8515c50a9f378d77ab5554693e064"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.10597",
    "kind": "arxiv",
    "version": 1
  }
}