Pith Number

pith:XXBYYV5N

pith:2022:XXBYYV5NNE6ISWDDQNOFZMVFNT

not attested not anchored not stored refs pending

Algebraic Multiscale Method for two--dimensional elliptic problems

Dongwoo Sheen, Imbunm Kim, Kanghun Cho, Raehyun Kim

arxiv:2201.10640 v1 · 2022-01-25 · 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{XXBYYV5NNE6ISWDDQNOFZMVFNT}

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	2026-07-05T03:51:48.100290Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bdc38c57ad693c895863835c5cb2a56cf68b5c8c974c11c8a7a652b77c0a2f2d

Aliases

arxiv: 2201.10640 · arxiv_version: 2201.10640v1 · doi: 10.48550/arxiv.2201.10640 · pith_short_12: XXBYYV5NNE6I · pith_short_16: XXBYYV5NNE6ISWDD · pith_short_8: XXBYYV5N

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/XXBYYV5NNE6ISWDDQNOFZMVFNT \
  | 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: bdc38c57ad693c895863835c5cb2a56cf68b5c8c974c11c8a7a652b77c0a2f2d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "513b00ad6f93d286dd6f9150f907dfd1492e60ef98a1360ab4f9df9857d04f51",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2022-01-25T21:48:53Z",
    "title_canon_sha256": "6652c14da27eb89c0d949111d401ff4124a145421a43e2dce3ff1b323eb4c2d2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.10640",
    "kind": "arxiv",
    "version": 1
  }
}