Pith Number

pith:UDUSFRGO

pith:2024:UDUSFRGOHOLVDT3I6XGNFPYCDG

not attested not anchored not stored refs pending

Adaptive and frugal BDDC coarse spaces for virtual element discretizations of a Stokes problem with heterogeneous viscosity

Axel Klawonn, Martin Lanser, Tommaso Bevilacqua

arxiv:2409.02860 v1 · 2024-09-04 · 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{UDUSFRGOHOLVDT3I6XGNFPYCDG}

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	2026-07-05T09:03:11.404652Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a0e922c4ce3b9751cf68f5ccd2bf0219880d5b65d9ed780a3e2de567062a59c5

Aliases

arxiv: 2409.02860 · arxiv_version: 2409.02860v1 · doi: 10.48550/arxiv.2409.02860 · pith_short_12: UDUSFRGOHOLV · pith_short_16: UDUSFRGOHOLVDT3I · pith_short_8: UDUSFRGO

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/UDUSFRGOHOLVDT3I6XGNFPYCDG \
  | 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: a0e922c4ce3b9751cf68f5ccd2bf0219880d5b65d9ed780a3e2de567062a59c5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2f21267698ab10ed8e01b665597f4cb42633d5ab3a76e50b1eb201b720a4a696",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2024-09-04T16:40:02Z",
    "title_canon_sha256": "9a44a88afe84dbe1395e54d14b2bc89266d892f01aedd18f5a7ac266327e7bb0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2409.02860",
    "kind": "arxiv",
    "version": 1
  }
}