Pith Number

pith:5HSDARFI

pith:2018:5HSDARFIWFSTSTHWEPWTAY4IGA

not attested not anchored not stored refs pending

Flexible Krylov methods for $\ell_p$ regularization

Julianne Chung, Silvia Gazzola

arxiv:1806.06502 v1 · 2018-06-18 · 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{5HSDARFIWFSTSTHWEPWTAY4IGA}

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	2026-05-18T00:13:02.181206Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e9e43044a8b165394cf623ed30638830300f19bdcc848009bf3498a234ffb05f

Aliases

arxiv: 1806.06502 · arxiv_version: 1806.06502v1 · doi: 10.48550/arxiv.1806.06502 · pith_short_12: 5HSDARFIWFST · pith_short_16: 5HSDARFIWFSTSTHW · pith_short_8: 5HSDARFI

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/5HSDARFIWFSTSTHWEPWTAY4IGA \
  | 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: e9e43044a8b165394cf623ed30638830300f19bdcc848009bf3498a234ffb05f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0c8e8f064daeb3a54920be16cd0ca407b7b69c0b0fb0d5bc21e7988bdabbc35d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-06-18T05:43:09Z",
    "title_canon_sha256": "4c3f9899476512091ecabeae4817c080850989d133cbd2022034a0289f3cedec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.06502",
    "kind": "arxiv",
    "version": 1
  }
}