Pith Number

pith:ULQE6HLF

pith:2016:ULQE6HLFDBGOGMKEFNCTPJPHQW

not attested not anchored not stored refs pending

Robust multigrid for high-order discontinuous Galerkin methods: A fast Poisson solver suitable for high-aspect ratio Cartesian grids

J\"org Stiller

arxiv:1603.02524 v2 · 2016-03-08 · cs.CE · 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{ULQE6HLFDBGOGMKEFNCTPJPHQW}

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	2026-05-18T00:54:15.771913Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a2e04f1d65184ce331442b4537a5e785a7d46e2b3880d521752473f3a57ae8e0

Aliases

arxiv: 1603.02524 · arxiv_version: 1603.02524v2 · doi: 10.48550/arxiv.1603.02524 · pith_short_12: ULQE6HLFDBGO · pith_short_16: ULQE6HLFDBGOGMKE · pith_short_8: ULQE6HLF

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/ULQE6HLFDBGOGMKEFNCTPJPHQW \
  | 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: a2e04f1d65184ce331442b4537a5e785a7d46e2b3880d521752473f3a57ae8e0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "27edc4f9e4c7de12b095a077784eac2e0103f5ffa072a608fa674e8dca351943",
    "cross_cats_sorted": [
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CE",
    "submitted_at": "2016-03-08T14:04:58Z",
    "title_canon_sha256": "46dbd8d7a39a58fdf522689fca1bbbcd8ebd9eb92761210bbf1173cad2ac499c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.02524",
    "kind": "arxiv",
    "version": 2
  }
}