Pith Number

pith:EYHQ3QUQ

pith:2018:EYHQ3QUQYVXWITYUMJ6IJJODPV

not attested not anchored not stored refs pending

Auxiliary space preconditioners for virtual element methods on polytopal meshes

Yunrong Zhu

arxiv:1812.04423 v1 · 2018-11-28 · math.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{EYHQ3QUQYVXWITYUMJ6IJJODPV}

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	2026-05-17T23:58:32.198171Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

260f0dc290c56f644f14627c84a5c37d79ec08d66785a4af0410cd6566d7fd18

Aliases

arxiv: 1812.04423 · arxiv_version: 1812.04423v1 · doi: 10.48550/arxiv.1812.04423 · pith_short_12: EYHQ3QUQYVXW · pith_short_16: EYHQ3QUQYVXWITYU · pith_short_8: EYHQ3QUQ

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/EYHQ3QUQYVXWITYUMJ6IJJODPV \
  | 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: 260f0dc290c56f644f14627c84a5c37d79ec08d66785a4af0410cd6566d7fd18

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3d26852208572e8fde84d35c28f95ec9f952b605c3b883348574a6c7b174bbd0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-11-28T04:25:38Z",
    "title_canon_sha256": "6e49b059f7344da0a59245027c41321a46e2647cc4407490e6e6cbc05babc7bd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.04423",
    "kind": "arxiv",
    "version": 1
  }
}