Pith Number

pith:DBWE2ZSW

pith:2008:DBWE2ZSW3FAU3TXF7Y2KZF6DGD

not attested not anchored not stored refs pending

A posteriori error control for discontinuous Galerkin methods for parabolic problems

Emmanuil H. Georgoulis, Juha M. Virtanen, Omar Lakkis

arxiv:0804.4262 v2 · 2008-04-27 · math.NA · math.AP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DBWE2ZSW3FAU3TXF7Y2KZF6DGD}

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	2026-05-18T04:25:03.275624Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

186c4d6656d9414dcee5fe34ac97c330febfd390a9f87d1c10f21b7bc41f8b37

Aliases

arxiv: 0804.4262 · arxiv_version: 0804.4262v2 · doi: 10.48550/arxiv.0804.4262 · pith_short_12: DBWE2ZSW3FAU · pith_short_16: DBWE2ZSW3FAU3TXF · pith_short_8: DBWE2ZSW

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/DBWE2ZSW3FAU3TXF7Y2KZF6DGD \
  | 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: 186c4d6656d9414dcee5fe34ac97c330febfd390a9f87d1c10f21b7bc41f8b37

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4f16fd61cfe80cefab3c214c21929de1fa266e6e853269d86a6052b3ad2eec36",
    "cross_cats_sorted": [
      "math.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2008-04-27T00:53:47Z",
    "title_canon_sha256": "f819456f32d7a5ae4bb9ef2b90740aea6ca091603f9894b3c55033b1c7d6fb66"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0804.4262",
    "kind": "arxiv",
    "version": 2
  }
}