Pith Number

pith:FHV3RH4V

pith:2016:FHV3RH4VKMMUITR6DWGSO2VMFC

not attested not anchored not stored refs pending

Social-sparsity brain decoders: faster spatial sparsity

Bertrand Thirion (NEUROSPIN, Ga\"el Varoquaux (PARIETAL, L2S), Matthieu Kowalski (PARIETAL, NEUROSPIN), PARIETAL)

arxiv:1606.06439 v1 · 2016-06-21 · stat.ML · cs.CV · 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{FHV3RH4VKMMUITR6DWGSO2VMFC}

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	2026-05-18T01:12:09.559800Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

29ebb89f955319444e3e1d8d276aac28a77136a94bc3e23acef71cce0942c1ff

Aliases

arxiv: 1606.06439 · arxiv_version: 1606.06439v1 · doi: 10.48550/arxiv.1606.06439 · pith_short_12: FHV3RH4VKMMU · pith_short_16: FHV3RH4VKMMUITR6 · pith_short_8: FHV3RH4V

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/FHV3RH4VKMMUITR6DWGSO2VMFC \
  | 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: 29ebb89f955319444e3e1d8d276aac28a77136a94bc3e23acef71cce0942c1ff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1c3f6ddd41524cd437047bf84084a30f7b4d8338568430a8019e05ddd63532fb",
    "cross_cats_sorted": [
      "cs.CV",
      "q-bio.NC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2016-06-21T06:51:57Z",
    "title_canon_sha256": "757815114375a09a99627e6e2c289b2449a65e2481bfdbb0a071b6b7ee2c061d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.06439",
    "kind": "arxiv",
    "version": 1
  }
}