Pith Number

pith:JTXJRDNB

pith:2016:JTXJRDNBR3MOQRVULAIUJWYE27

not attested not anchored not stored refs pending

Algebraic Multigrid Methods

Jinchao Xu, Ludmil T Zikatanov

arxiv:1611.01917 v2 · 2016-11-07 · 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{JTXJRDNBR3MOQRVULAIUJWYE27}

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	2026-05-18T00:59:35.430160Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4cee988da18ed8e846b4581144db04d7dec105303848ff00813defeaf1cc8484

Aliases

arxiv: 1611.01917 · arxiv_version: 1611.01917v2 · doi: 10.48550/arxiv.1611.01917 · pith_short_12: JTXJRDNBR3MO · pith_short_16: JTXJRDNBR3MOQRVU · pith_short_8: JTXJRDNB

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/JTXJRDNBR3MOQRVULAIUJWYE27 \
  | 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: 4cee988da18ed8e846b4581144db04d7dec105303848ff00813defeaf1cc8484

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "86a11d02d627271bc287d9fc7ff041f42fa94f4d58468bcbebbea1fc52b97ef7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-11-07T07:06:48Z",
    "title_canon_sha256": "8324b57fd619b5f73296c23b05e76203397084e6c8290adb21e52754d0b0de1a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.01917",
    "kind": "arxiv",
    "version": 2
  }
}