Pith Number

pith:WBNIY7M5

pith:2019:WBNIY7M5PJOWSZTMCRC4ORFUGS

not attested not anchored not stored refs pending

A New Cyclic Gradient Method Adapted to Large-Scale Linear Systems

Frederic Magoules, Qinmeng Zou

arxiv:1907.01200 v1 · 2019-07-02 · math.NA · cs.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{WBNIY7M5PJOWSZTMCRC4ORFUGS}

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	2026-05-17T23:40:54.923675Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b05a8c7d9d7a5d69666c1445c744b4349003c10fc4e65dc09f4d9a4ae72c70e9

Aliases

arxiv: 1907.01200 · arxiv_version: 1907.01200v1 · doi: 10.48550/arxiv.1907.01200 · pith_short_12: WBNIY7M5PJOW · pith_short_16: WBNIY7M5PJOWSZTM · pith_short_8: WBNIY7M5

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/WBNIY7M5PJOWSZTMCRC4ORFUGS \
  | 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: b05a8c7d9d7a5d69666c1445c744b4349003c10fc4e65dc09f4d9a4ae72c70e9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "116b6d19eef89b134c0fa86b05333018c55e103abd518a05904de723c5bf3a70",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2019-07-02T07:03:32Z",
    "title_canon_sha256": "ddaaf44c03a4a742d2b2f633c015d3491224d9cc8e6fb7f6e5afcb1f64629577"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.01200",
    "kind": "arxiv",
    "version": 1
  }
}