Pith Number

pith:Q7QXYKVP

pith:2018:Q7QXYKVPYKRTWDSIXH63INUILQ

not attested not anchored not stored refs pending

Topological Data Analysis of Task-Based fMRI Data from Experiments on Schizophrenia

Bernadette J. Stolz, Heather A. Harrington, Mason A. Porter, Satu Nahkuri, Tegan Emerson

arxiv:1809.08504 v4 · 2018-09-22 · q-bio.QM · cond-mat.dis-nn · math.AT · nlin.AO · 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{Q7QXYKVPYKRTWDSIXH63INUILQ}

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	2026-07-05T01:30:37.615997Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

87e17c2aafc2a33b0e48b9fdb436885c35298b5f6f661974fe9d930db7c59552

Aliases

arxiv: 1809.08504 · arxiv_version: 1809.08504v4 · doi: 10.48550/arxiv.1809.08504 · pith_short_12: Q7QXYKVPYKRT · pith_short_16: Q7QXYKVPYKRTWDSI · pith_short_8: Q7QXYKVP

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/Q7QXYKVPYKRTWDSIXH63INUILQ \
  | 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: 87e17c2aafc2a33b0e48b9fdb436885c35298b5f6f661974fe9d930db7c59552

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "be937c7d6b64aefb07c7dd5e7a1b56689e0d7b21b6f5bdc083ae7a3388882da5",
    "cross_cats_sorted": [
      "cond-mat.dis-nn",
      "math.AT",
      "nlin.AO",
      "q-bio.NC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.QM",
    "submitted_at": "2018-09-22T23:52:57Z",
    "title_canon_sha256": "61f6f27a2b544ae581f6fc30578b8840ed3730daf167d1473512210cd86b5e89"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.08504",
    "kind": "arxiv",
    "version": 4
  }
}