Pith Number

pith:X4IXBBFF

pith:2018:X4IXBBFF72CW2UTTXOKO7V4WRT

not attested not anchored not stored refs pending

Linear Convergence Rates for Extrapolated Fixed Point Algorithms

Christian Bargetz, Rafa{\l} Zalas, Simeon Reich, Victor I. Kolobov

arxiv:1805.03932 v1 · 2018-05-10 · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{X4IXBBFF72CW2UTTXOKO7V4WRT}

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	2026-05-18T00:16:15.737731Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bf117084a5fe856d5273bb94efd7968cee81a112dc4f15ef3fe9c0f269ede0fd

Aliases

arxiv: 1805.03932 · arxiv_version: 1805.03932v1 · doi: 10.48550/arxiv.1805.03932 · pith_short_12: X4IXBBFF72CW · pith_short_16: X4IXBBFF72CW2UTT · pith_short_8: X4IXBBFF

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/X4IXBBFF72CW2UTTXOKO7V4WRT \
  | 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: bf117084a5fe856d5273bb94efd7968cee81a112dc4f15ef3fe9c0f269ede0fd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6392fd9b5cb58647d1a46f0fd51f868e28920ea0632e309964adff92d6776cd7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2018-05-10T12:10:51Z",
    "title_canon_sha256": "a66435552ebb07b54a033c15663d94b77f99fa74d543dde4e0645515b63d4376"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.03932",
    "kind": "arxiv",
    "version": 1
  }
}