Pith Number

pith:3VQ6VKRV

pith:2019:3VQ6VKRVMNBBMETB2FTKIGXHKN

not attested not anchored not stored refs pending

A parallel space-time multigrid method for the eddy-current equation

Martin Neum\"uller, Martin Schwalsberger

arxiv:1911.09548 v1 · 2019-11-21 · cs.CE · cs.NA · math.NA

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Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3VQ6VKRVMNBBMETB2FTKIGXHKN}

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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.

Cited by

1 paper in Pith

Space-Time Multigrid Methods Suitable for Topology Optimisation of Transient Heat Conduction

Receipt and verification

First computed	2026-07-05T00:21:01.974649Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dd61eaaa356342161261d166a41ae7536f67e7568bbea56423c93192c9cdc856

Aliases

arxiv: 1911.09548 · arxiv_version: 1911.09548v1 · doi: 10.48550/arxiv.1911.09548 · pith_short_12: 3VQ6VKRVMNBB · pith_short_16: 3VQ6VKRVMNBBMETB · pith_short_8: 3VQ6VKRV

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/3VQ6VKRVMNBBMETB2FTKIGXHKN \
  | 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: dd61eaaa356342161261d166a41ae7536f67e7568bbea56423c93192c9cdc856

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1fee320564f60750fe437871a0108f722bbdc94d45077065fdf4cb7a045cc5a6",
    "cross_cats_sorted": [
      "cs.NA",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CE",
    "submitted_at": "2019-11-21T15:43:40Z",
    "title_canon_sha256": "ab24c40b2fc65c0ddd45613815da797f027336325290b955cb5a29064c91872b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1911.09548",
    "kind": "arxiv",
    "version": 1
  }
}