Pith Number

pith:GQUM544L

pith:2014:GQUM544LSGNXGBLZC4M3HLIATU

not attested not anchored not stored refs pending

Persistent Homology in Sparse Regression and its Application to Brain Morphometry

Jamie L. Hanson, Jieping Ye, Moo K. Chung, Richard J. Davidson, Seth D. Pollak

arxiv:1409.0177 v2 · 2014-08-31 · stat.ME · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GQUM544LSGNXGBLZC4M3HLIATU}

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	2026-05-17T23:56:15.794679Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3428cef38b919b7305791719b3ad009d35656c6944a9323b1b23b490dbde39c1

Aliases

arxiv: 1409.0177 · arxiv_version: 1409.0177v2 · doi: 10.48550/arxiv.1409.0177 · pith_short_12: GQUM544LSGNX · pith_short_16: GQUM544LSGNXGBLZ · pith_short_8: GQUM544L

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/GQUM544LSGNXGBLZC4M3HLIATU \
  | 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: 3428cef38b919b7305791719b3ad009d35656c6944a9323b1b23b490dbde39c1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ac3c998af4d8f4c3ded93a70daef6762c39b2dc868ccc47ebac54b8abe333fd5",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2014-08-31T02:15:33Z",
    "title_canon_sha256": "31c1273355d419da543be7a14848b8ff252d9b61a53c9e42016b2d029b1e4a38"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.0177",
    "kind": "arxiv",
    "version": 2
  }
}