Pith Number

pith:UEAXF5RM

pith:2013:UEAXF5RMULARM4IND7Y4ZHRFAV

not attested not anchored not stored refs pending

Sparse and Efficient Estimation for Partial Spline Models with Increasing Dimension

Guang Cheng, Hao Helen Zhang, Zuofeng Shang

arxiv:1310.8633 v2 · 2013-10-31 · 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{UEAXF5RMULARM4IND7Y4ZHRFAV}

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	2026-05-18T03:06:32.173137Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a10172f62ca2c116710d1ff1cc9e2505687e70c13ddd16a71545a1402ecffe7a

Aliases

arxiv: 1310.8633 · arxiv_version: 1310.8633v2 · doi: 10.48550/arxiv.1310.8633 · pith_short_12: UEAXF5RMULAR · pith_short_16: UEAXF5RMULARM4IN · pith_short_8: UEAXF5RM

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/UEAXF5RMULARM4IND7Y4ZHRFAV \
  | 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: a10172f62ca2c116710d1ff1cc9e2505687e70c13ddd16a71545a1402ecffe7a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "87fb0c7642993eae0bbc346238df67ce639654eb7ba7b5850379c052fb246beb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2013-10-31T18:41:42Z",
    "title_canon_sha256": "3fd9e48f4b7b8bebac3ddc961acbf6bb2726d0d5f2416e0ce5a931ce4baf785b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.8633",
    "kind": "arxiv",
    "version": 2
  }
}