Pith Number

pith:COYTNJQM

pith:2022:COYTNJQMIJL4JLVRNT6JLESQZ4

not attested not anchored not stored refs pending

Algebraic Multiscale Method for one--dimensional elliptic problems

Dongwoo Sheen, Kanghun Cho, Roktaek Lim

arxiv:2201.10645 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{COYTNJQMIJL4JLVRNT6JLESQZ4}

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	2026-07-05T03:51:48.220226Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

13b136a60c4257c4aeb16cfc959250cf165e93b1ecb2d49897c1ee1a8a0af317

Aliases

arxiv: 2201.10645 · arxiv_version: 2201.10645v1 · doi: 10.48550/arxiv.2201.10645 · pith_short_12: COYTNJQMIJL4 · pith_short_16: COYTNJQMIJL4JLVR · pith_short_8: COYTNJQM

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/COYTNJQMIJL4JLVRNT6JLESQZ4 \
  | 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: 13b136a60c4257c4aeb16cfc959250cf165e93b1ecb2d49897c1ee1a8a0af317

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "26da70fc0c90e892c0eab055ca0f203e47451089853d795be228b390836e042d",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2022-01-25T22:00:26Z",
    "title_canon_sha256": "255d8ea17e18d847b9cc8d6023212f76c85b8c9d80aac40456aab56f78d7150b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.10645",
    "kind": "arxiv",
    "version": 1
  }
}