Pith Number

pith:BXQYVLZ2

pith:2026:BXQYVLZ2S4VE6MKHAN56MKYW3E

not attested not anchored not stored refs pending

A Virtual Element Method for elliptic problems on trimmed background meshes

C. Canuto, G. Vacca, L. Beir\~ao da Veiga, M. Verani, R. H. Nochetto

arxiv:2606.10218 v1 · 2026-06-08 · 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{BXQYVLZ2S4VE6MKHAN56MKYW3E}

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	2026-06-10T01:09:00.204696Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0de18aaf3a972a4f3147037be62b16d93d6d1ee3c73b04100634a309866627ac

Aliases

arxiv: 2606.10218 · arxiv_version: 2606.10218v1 · doi: 10.48550/arxiv.2606.10218 · pith_short_12: BXQYVLZ2S4VE · pith_short_16: BXQYVLZ2S4VE6MKH · pith_short_8: BXQYVLZ2

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/BXQYVLZ2S4VE6MKHAN56MKYW3E \
  | 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: 0de18aaf3a972a4f3147037be62b16d93d6d1ee3c73b04100634a309866627ac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6f30baa3340cf1ac2b41e464070eaf33b2f7be93adcf9779c7a1be26e97770af",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2026-06-08T22:16:19Z",
    "title_canon_sha256": "34067cc25c56fb8ff7ed6e183af7507c3908ec622bd44f4d5b24b247aec66136"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.10218",
    "kind": "arxiv",
    "version": 1
  }
}