Pith Number

pith:JH7ILZF5

pith:2015:JH7ILZF5RDM7X4CFU2XP7KOCRB

not attested not anchored not stored refs pending

Robust sparse Gaussian graphical modeling

Hironori Fujisawa, Jun Sese, Kei Hirose

arxiv:1508.05571 v4 · 2015-08-23 · stat.ME

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JH7ILZF5RDM7X4CFU2XP7KOCRB}

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	2026-05-18T00:42:39.739960Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

49fe85e4bd88d9fbf045a6aeffa9c28868ba49c0ba135569b087de0c1a55235a

Aliases

arxiv: 1508.05571 · arxiv_version: 1508.05571v4 · doi: 10.48550/arxiv.1508.05571 · pith_short_12: JH7ILZF5RDM7 · pith_short_16: JH7ILZF5RDM7X4CF · pith_short_8: JH7ILZF5

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/JH7ILZF5RDM7X4CFU2XP7KOCRB \
  | 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: 49fe85e4bd88d9fbf045a6aeffa9c28868ba49c0ba135569b087de0c1a55235a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "008e222f04f5c99ce45b70f40d817ba87800ef15dd4ce70492feb7f151c05487",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2015-08-23T07:34:02Z",
    "title_canon_sha256": "d8dbb517697a227aaf6b1f09da573ae0c09b9bedeb1d1d495b2b32c0310b3800"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.05571",
    "kind": "arxiv",
    "version": 4
  }
}