Pith Number

pith:KIDEV6JL

pith:2019:KIDEV6JLQX33L7UDYTC5PACW2W

not attested not anchored not stored refs pending

Improving Solve Time of aggregation-based adaptive AMG

Panayot S. Vassilevski, Pasqua D'Ambra

arxiv:1907.04417 v1 · 2019-07-09 · 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{KIDEV6JLQX33L7UDYTC5PACW2W}

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	2026-05-17T23:41:01.793506Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

52064af92b85f7b5fe83c4c5d78056d5ae1a0f8f3aed972da477b7bec37351d1

Aliases

arxiv: 1907.04417 · arxiv_version: 1907.04417v1 · doi: 10.48550/arxiv.1907.04417 · pith_short_12: KIDEV6JLQX33 · pith_short_16: KIDEV6JLQX33L7UD · pith_short_8: KIDEV6JL

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/KIDEV6JLQX33L7UDYTC5PACW2W \
  | 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: 52064af92b85f7b5fe83c4c5d78056d5ae1a0f8f3aed972da477b7bec37351d1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b14f3a856e5234edc0249fd90be7ee17d603795692d2c022e029519badfdfe08",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2019-07-09T21:11:54Z",
    "title_canon_sha256": "856042fd7b62e263cc4402a458431150ff5101eedc6583b5af5f0dc2785f3d33"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.04417",
    "kind": "arxiv",
    "version": 1
  }
}