Pith Number

pith:OACVUCQK

pith:2012:OACVUCQKZ2S5ODABOUHPIHVODD

not attested not anchored not stored refs pending

A rapidly converging domain decomposition method for the Helmholtz equation

Christiaan C. Stolk

arxiv:1208.3956 v2 · 2012-08-20 · math.NA · physics.comp-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OACVUCQKZ2S5ODABOUHPIHVODD}

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	2026-05-18T03:20:20.743138Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

70055a0a0acea5d70c01750ef41eae18ed7207a7abdfa5cc73343309437e347d

Aliases

arxiv: 1208.3956 · arxiv_version: 1208.3956v2 · doi: 10.48550/arxiv.1208.3956 · pith_short_12: OACVUCQKZ2S5 · pith_short_16: OACVUCQKZ2S5ODAB · pith_short_8: OACVUCQK

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/OACVUCQKZ2S5ODABOUHPIHVODD \
  | 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: 70055a0a0acea5d70c01750ef41eae18ed7207a7abdfa5cc73343309437e347d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "69781b1d0bb8ccb8045dce68175c999928755c777d5f45df9d02fa327d52aaa6",
    "cross_cats_sorted": [
      "physics.comp-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2012-08-20T09:42:53Z",
    "title_canon_sha256": "5edb32d3b8d7b53226a632b20995d3ed0ddab64e8cdc8904c630536fdceed8f0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.3956",
    "kind": "arxiv",
    "version": 2
  }
}