Pith Number

pith:L5EJ6RD2

pith:2017:L5EJ6RD2OF5DCOVSK7HLS3JVDK

not attested not anchored not stored refs pending

On the Discontinuous Galerkin Finite Element Method for Reaction-Diffusion Problems: Error Estimates in Energy and Balanced Norms

Hans-Goerg Roos, Helena Zarin

arxiv:1705.04126 v1 · 2017-05-11 · 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{L5EJ6RD2OF5DCOVSK7HLS3JVDK}

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	2026-05-18T00:44:41.356348Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5f489f447a717a313ab257ceb96d351aa00ac9d678fdc861ae11db3b8db758b2

Aliases

arxiv: 1705.04126 · arxiv_version: 1705.04126v1 · doi: 10.48550/arxiv.1705.04126 · pith_short_12: L5EJ6RD2OF5D · pith_short_16: L5EJ6RD2OF5DCOVS · pith_short_8: L5EJ6RD2

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/L5EJ6RD2OF5DCOVSK7HLS3JVDK \
  | 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: 5f489f447a717a313ab257ceb96d351aa00ac9d678fdc861ae11db3b8db758b2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "463c073061491ca272b991b0577c36aa3a2894b06c4b4d55bd50de57612b8de5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-05-11T12:11:08Z",
    "title_canon_sha256": "70f23d4900169a0ed29953d474e096333db664b68be53363eeaf9fdf8704de14"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.04126",
    "kind": "arxiv",
    "version": 1
  }
}