Pith Number

pith:YNKP6M33

pith:2012:YNKP6M33EP7QP2XZ7Y4YKUED3R

not attested not anchored not stored refs pending

Period Analysis using the Least Absolute Shrinkage and Selection Operator (Lasso)

Makoto Uemura (Hiroshima U), Taichi Kato (Kyoto U)

arxiv:1205.4791 v1 · 2012-05-22 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YNKP6M33EP7QP2XZ7Y4YKUED3R}

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	2026-05-18T01:57:24.700278Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c354ff337b23ff07eaf9fe39855083dc79f2499c917f2592635695d0d852489f

Aliases

arxiv: 1205.4791 · arxiv_version: 1205.4791v1 · doi: 10.48550/arxiv.1205.4791 · pith_short_12: YNKP6M33EP7Q · pith_short_16: YNKP6M33EP7QP2XZ · pith_short_8: YNKP6M33

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/YNKP6M33EP7QP2XZ7Y4YKUED3R \
  | 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: c354ff337b23ff07eaf9fe39855083dc79f2499c917f2592635695d0d852489f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "791c15ec28451ad2966a53f861f922ba142bd83de26a2514946723277a5c0c30",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2012-05-22T03:07:40Z",
    "title_canon_sha256": "0e0e7497ce9c27109c300cd358adb9749ca5e5560b92e89ce8341881e15c9cda"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.4791",
    "kind": "arxiv",
    "version": 1
  }
}