Pith Number

pith:WE2XDACU

pith:2019:WE2XDACUPGJYARYGJSGWBSYNOP

not attested not anchored not stored refs pending

Scalable multigrid methods for immersed finite element methods and immersed isogeometric analysis

C. Messe, C.V. Verhoosel, E.H. van Brummelen, F. de Prenter, J.A. Evans, J. Benzaken, K. Maute

arxiv:1903.10977 v1 · 2019-03-26 · 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{WE2XDACUPGJYARYGJSGWBSYNOP}

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	2026-06-04T20:14:17.895898Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b13571805479938047064c8d60cb0d73c218bb76fa89194ee7f27a4cffb5245f

Aliases

arxiv: 1903.10977 · arxiv_version: 1903.10977v1 · doi: 10.48550/arxiv.1903.10977 · pith_short_12: WE2XDACUPGJY · pith_short_16: WE2XDACUPGJYARYG · pith_short_8: WE2XDACU

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/WE2XDACUPGJYARYGJSGWBSYNOP \
  | 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: b13571805479938047064c8d60cb0d73c218bb76fa89194ee7f27a4cffb5245f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eb7e7ac72dc42509e94eee704f5753cbd89a58be2539fa58d85e3e9fb2adb393",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2019-03-26T16:06:44Z",
    "title_canon_sha256": "4b7226f37e03af3901ba8f8fe694abcfe67366a8e611bc7c1a4cb27ad1695aec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.10977",
    "kind": "arxiv",
    "version": 1
  }
}