Pith Number

pith:EROZOQTZ

pith:2015:EROZOQTZLFH5AUITHRAQWQM7JT

not attested not anchored not stored refs pending

A conjugate subgradient algorithm with adaptive preconditioning for LASSO minimization

Alessandro Mirone, Pierre Paleo

arxiv:1506.07730 v2 · 2015-06-25 · physics.data-an · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EROZOQTZLFH5AUITHRAQWQM7JT}

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	2026-05-18T01:37:47.054884Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

245d974279594fd051133c410b419f4ccbcebbd249e5506d3942917d75d8d8ba

Aliases

arxiv: 1506.07730 · arxiv_version: 1506.07730v2 · doi: 10.48550/arxiv.1506.07730 · pith_short_12: EROZOQTZLFH5 · pith_short_16: EROZOQTZLFH5AUIT · pith_short_8: EROZOQTZ

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/EROZOQTZLFH5AUITHRAQWQM7JT \
  | 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: 245d974279594fd051133c410b419f4ccbcebbd249e5506d3942917d75d8d8ba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9283c24958c643356065a2b19dd4a016acb1ce7ecb8b1cc396841a55dc2c3c66",
    "cross_cats_sorted": [
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.data-an",
    "submitted_at": "2015-06-25T12:48:37Z",
    "title_canon_sha256": "4b402b15e471a16237f2587c8adec55c5c1d4b37738685708b8c3bd4d9947132"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.07730",
    "kind": "arxiv",
    "version": 2
  }
}