Pith Number

pith:PNYMQJI7

pith:2018:PNYMQJI7QMV3FWSB7XEMRRCETO

not attested not anchored not stored refs pending

Randomized Method of Subspace Corrections

Jinchao Xu, Ludmil Zikatanov, Xiaozhe Hu

arxiv:1810.04504 v1 · 2018-10-10 · 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{PNYMQJI7QMV3FWSB7XEMRRCETO}

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	2026-05-18T00:03:39.968487Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b70c8251f832bb2da41fdc8c8c4449b9ccef2ebaa8ebb9a845c5ee1ef5bdf49

Aliases

arxiv: 1810.04504 · arxiv_version: 1810.04504v1 · doi: 10.48550/arxiv.1810.04504 · pith_short_12: PNYMQJI7QMV3 · pith_short_16: PNYMQJI7QMV3FWSB · pith_short_8: PNYMQJI7

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/PNYMQJI7QMV3FWSB7XEMRRCETO \
  | 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: 7b70c8251f832bb2da41fdc8c8c4449b9ccef2ebaa8ebb9a845c5ee1ef5bdf49

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0639be8487de749710ea6ff798888fdc84d95a30094d334bde2da672d1affcc1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-10-10T13:16:07Z",
    "title_canon_sha256": "2933800a432454fa4fb2b6af705d18080eb6d22826a37567414390652033a791"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.04504",
    "kind": "arxiv",
    "version": 1
  }
}