Pith Number

pith:6MPYOQZG

pith:2018:6MPYOQZGVY3C4AZRGNGVRJXXSN

not attested not anchored not stored refs pending

Robust adaptive hp discontinuous Galerkin finite element methods for the Helmholtz equation

Ilaria Perugia, Joscha Gedicke, Scott Congreve

arxiv:1808.03567 v3 · 2018-08-10 · 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{6MPYOQZGVY3C4AZRGNGVRJXXSN}

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	2026-05-17T23:55:07.504649Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f31f874326ae362e0331334d58a6f79367b0ae221302b0085a70998b33d4f38e

Aliases

arxiv: 1808.03567 · arxiv_version: 1808.03567v3 · doi: 10.48550/arxiv.1808.03567 · pith_short_12: 6MPYOQZGVY3C · pith_short_16: 6MPYOQZGVY3C4AZR · pith_short_8: 6MPYOQZG

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/6MPYOQZGVY3C4AZRGNGVRJXXSN \
  | 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: f31f874326ae362e0331334d58a6f79367b0ae221302b0085a70998b33d4f38e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2091d8652493b5169552cfb3c2d0725e0184160cc65ae094ee087a2e44e5ea1d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-08-10T14:36:53Z",
    "title_canon_sha256": "674a760c75a7c92f3d94ab81fbebf4313e1e3509f43e6011ee65a6fc45640652"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.03567",
    "kind": "arxiv",
    "version": 3
  }
}