Pith Number

pith:RIHVJL3V

pith:2017:RIHVJL3V5R2VF5J2LYW7N3LRH2

not attested not anchored not stored refs pending

On the Ideal Interpolation Operator in Algebraic Multigrid Methods

Chen-Song Zhang, Xuefeng Xu

arxiv:1711.08751 v3 · 2017-11-23 · 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{RIHVJL3V5R2VF5J2LYW7N3LRH2}

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	2026-05-18T00:16:44.608149Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8a0f54af75ec7552f53a5e2df6ed713eae9b1219d9f0afe159bfa38934b92070

Aliases

arxiv: 1711.08751 · arxiv_version: 1711.08751v3 · doi: 10.48550/arxiv.1711.08751 · pith_short_12: RIHVJL3V5R2V · pith_short_16: RIHVJL3V5R2VF5J2 · pith_short_8: RIHVJL3V

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/RIHVJL3V5R2VF5J2LYW7N3LRH2 \
  | 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: 8a0f54af75ec7552f53a5e2df6ed713eae9b1219d9f0afe159bfa38934b92070

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "60705fa481ab43048b1c17994830ea35726a5eff715484dac7796db386459131",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-11-23T15:57:17Z",
    "title_canon_sha256": "d564ec7a377d7232145c0c4d9b52bfad4a0ae68ea4682a5be482b3bb9b5c5eef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.08751",
    "kind": "arxiv",
    "version": 3
  }
}