Pith Number

pith:W3CISGZZ

pith:2015:W3CISGZZVZYYXRMWNEKB5MUW6H

not attested not anchored not stored refs pending

Successive Ray Refinement and Its Application to Coordinate Descent for LASSO

Jun Liu, Ruiwen Zhang, Zheng Zhao

arxiv:1512.05808 v1 · 2015-12-17 · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{W3CISGZZVZYYXRMWNEKB5MUW6H}

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	2026-05-18T01:24:06.225736Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b6c4891b39ae718bc59669141eb296f1cdb9251897e3966d28c56679cee9a4e3

Aliases

arxiv: 1512.05808 · arxiv_version: 1512.05808v1 · doi: 10.48550/arxiv.1512.05808 · pith_short_12: W3CISGZZVZYY · pith_short_16: W3CISGZZVZYYXRMW · pith_short_8: W3CISGZZ

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/W3CISGZZVZYYXRMWNEKB5MUW6H \
  | 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: b6c4891b39ae718bc59669141eb296f1cdb9251897e3966d28c56679cee9a4e3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f93a6debaac96bc6eaca00c989d4db79af32b0e3eae8ee82cfd97f90d2d34bb",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2015-12-17T21:47:02Z",
    "title_canon_sha256": "d5a042e4125f0414aff1b618e2e217f865e9f1261d53a593e4995cbb47b1f122"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.05808",
    "kind": "arxiv",
    "version": 1
  }
}