Pith Number

pith:KQ5S47KD

pith:2015:KQ5S47KDU5352DOL5L2RVN33YR

not attested not anchored not stored refs pending

Conjugate gradient acceleration of iteratively re-weighted least squares methods

Holger Rauhut, Massimo Fornasier, Steffen Peter, Stephan Worm

arxiv:1509.04063 v2 · 2015-09-14 · 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{KQ5S47KDU5352DOL5L2RVN33YR}

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	2026-05-18T01:20:11.246937Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

543b2e7d43a777dd0dcbeaf51ab77bc457efb1de296db4ac1bcf761a89a85cbe

Aliases

arxiv: 1509.04063 · arxiv_version: 1509.04063v2 · doi: 10.48550/arxiv.1509.04063 · pith_short_12: KQ5S47KDU535 · pith_short_16: KQ5S47KDU5352DOL · pith_short_8: KQ5S47KD

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/KQ5S47KDU5352DOL5L2RVN33YR \
  | 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: 543b2e7d43a777dd0dcbeaf51ab77bc457efb1de296db4ac1bcf761a89a85cbe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "be6fc362e757babded4fb49767e8d2dbf66be1f68c3980b0ef5a64fbf9bee1e7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-09-14T12:42:42Z",
    "title_canon_sha256": "0cda798ddccdd76ab8624634345b8c0880a750698213306fadcf0a767283c9c3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.04063",
    "kind": "arxiv",
    "version": 2
  }
}