Pith Number

pith:QEVOPI47

pith:2013:QEVOPI47Z6KK56ETXDL2RK5BOK

not attested not anchored not stored refs pending

A Progressive Statistical Method for Preconditioning Matrix-Free Solution of High-Order Discretization of Linear Time-Dependent Problems

A. Ghasemi, L. K. Taylor

arxiv:1308.5626 v1 · 2013-08-26 · math.ST · cs.NA · math.NA · stat.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QEVOPI47Z6KK56ETXDL2RK5BOK}

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	2026-05-18T01:12:43.626005Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

812ae7a39fcf94aef893b8d7a8aba172b4f65bd1aee7da4bc47d8b62bb1d74c6

Aliases

arxiv: 1308.5626 · arxiv_version: 1308.5626v1 · doi: 10.48550/arxiv.1308.5626 · pith_short_12: QEVOPI47Z6KK · pith_short_16: QEVOPI47Z6KK56ET · pith_short_8: QEVOPI47

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/QEVOPI47Z6KK56ETXDL2RK5BOK \
  | 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: 812ae7a39fcf94aef893b8d7a8aba172b4f65bd1aee7da4bc47d8b62bb1d74c6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8e1e5457f19977b529d311a91e4ad90b5b6a5c365cd620121f078cec2d7ecda4",
    "cross_cats_sorted": [
      "cs.NA",
      "math.NA",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2013-08-26T16:17:32Z",
    "title_canon_sha256": "abddcbddd4fe889ddcc2b2527787cf31d6bace5936cc604d9519c78b33849cb2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.5626",
    "kind": "arxiv",
    "version": 1
  }
}