Pith Number

pith:J7WPGYX6

pith:2012:J7WPGYX6QOVEUS2YA6JJW4WNTW

not attested not anchored not stored refs pending

Keeping greed good: sparse regression under design uncertainty with application to biomass characterization

David J. Biagioni, Ryan Elmore, Wesley Jones

arxiv:1207.1888 v1 · 2012-07-08 · stat.AP · stat.CO · stat.ME · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{J7WPGYX6QOVEUS2YA6JJW4WNTW}

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	2026-05-18T03:51:26.688556Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4fecf362fe83aa4a4b5807929b72cd9d8fd0d3122791cb23c288a2d3e51bd797

Aliases

arxiv: 1207.1888 · arxiv_version: 1207.1888v1 · doi: 10.48550/arxiv.1207.1888 · pith_short_12: J7WPGYX6QOVE · pith_short_16: J7WPGYX6QOVEUS2Y · pith_short_8: J7WPGYX6

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/J7WPGYX6QOVEUS2YA6JJW4WNTW \
  | 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: 4fecf362fe83aa4a4b5807929b72cd9d8fd0d3122791cb23c288a2d3e51bd797

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "73a0733e19a993a839cc5d4ecb26da0337e099ee051b156fd0f6b34e639a9269",
    "cross_cats_sorted": [
      "stat.CO",
      "stat.ME",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2012-07-08T17:15:59Z",
    "title_canon_sha256": "145303881af5f0416a009aa09c2da2dc13112210f55751768053ea42c72f9cb9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.1888",
    "kind": "arxiv",
    "version": 1
  }
}