Pith Number

pith:XU4L3FGL

pith:2010:XU4L3FGLJKH4R6QVP7G6RCRPYL

not attested not anchored not stored refs pending

Brain covariance selection: better individual functional connectivity models using population prior

Alexandre Gramfort (LNAO, Bertrand Thirion (LNAO, Ga\"el Varoquaux (LNAO, INRIA Saclay - Ile de France), Jean Baptiste Poline (LNAO)

arxiv:1008.5071 v4 · 2010-08-30 · stat.ML · 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{XU4L3FGLJKH4R6QVP7G6RCRPYL}

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	2026-05-18T04:36:08.411130Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bd38bd94cb4a8fc8fa157fcde88a2fc2c594afd6f11358be3a8ba0669e5e8ebb

Aliases

arxiv: 1008.5071 · arxiv_version: 1008.5071v4 · doi: 10.48550/arxiv.1008.5071 · pith_short_12: XU4L3FGLJKH4 · pith_short_16: XU4L3FGLJKH4R6QV · pith_short_8: XU4L3FGL

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/XU4L3FGLJKH4R6QVP7G6RCRPYL \
  | 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: bd38bd94cb4a8fc8fa157fcde88a2fc2c594afd6f11358be3a8ba0669e5e8ebb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f82eb4b892c6df03ba838f4348e07d2d7e74fd3d683252a666ce40c00759d048",
    "cross_cats_sorted": [
      "q-bio.NC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2010-08-30T12:52:36Z",
    "title_canon_sha256": "743bba8d0229f7e7cdc10b53907d4f46bb919fdd032b0e4971bc53820dadcb21"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.5071",
    "kind": "arxiv",
    "version": 4
  }
}