Pith Number

pith:I3RTFIVJ

pith:2024:I3RTFIVJA3N7GEX3I3I2GOBVUH

not attested not anchored not stored refs pending

A Space-Time Multigrid Method for Space-Time Finite Element Discretizations of Parabolic and Hyperbolic PDEs

Nils Margenberg, Peter Munch

arxiv:2408.04372 v1 · 2024-08-08 · math.NA · cs.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{I3RTFIVJA3N7GEX3I3I2GOBVUH}

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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

Stochastic Galerkin and Monte-Carlo methods for parabolic problems: Numerical performance of variational matrix-free approximations

Receipt and verification

First computed	2026-07-05T08:53:41.548233Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

46e332a2a906dbf312fb46d1a33835a1d82579a4de70cf55969bbab71e44537a

Aliases

arxiv: 2408.04372 · arxiv_version: 2408.04372v1 · doi: 10.48550/arxiv.2408.04372 · pith_short_12: I3RTFIVJA3N7 · pith_short_16: I3RTFIVJA3N7GEX3 · pith_short_8: I3RTFIVJ

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/I3RTFIVJA3N7GEX3I3I2GOBVUH \
  | 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: 46e332a2a906dbf312fb46d1a33835a1d82579a4de70cf55969bbab71e44537a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c73dbe42b4d616204f59a8ffe4c22ed0bc60b09213fa92572f30bffa8f656b4a",
    "cross_cats_sorted": [
      "cs.NA",
      "physics.comp-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2024-08-08T11:09:15Z",
    "title_canon_sha256": "8dd450b8c293f1f15fc38f126e66f0ae223425ac69d8138f627b2eacbc949a10"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2408.04372",
    "kind": "arxiv",
    "version": 1
  }
}