Pith Number

pith:FJE3G6QE

pith:2018:FJE3G6QEKJGXGIIP623YXUM25T

not attested not anchored not stored refs pending

A note on the application of the Guermond-Pasquetti mass lumping correction technique for convection-diffusion problems

Sergii Siryk

arxiv:1807.09401 v2 · 2018-07-25 · math.NA · cs.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{FJE3G6QEKJGXGIIP623YXUM25T}

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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	2026-05-18T00:01:14.763359Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2a49b37a04524d73210ff6b78bd19aeccedbf1475127e55b765693ef95c88e9e

Aliases

arxiv: 1807.09401 · arxiv_version: 1807.09401v2 · doi: 10.48550/arxiv.1807.09401 · pith_short_12: FJE3G6QEKJGX · pith_short_16: FJE3G6QEKJGXGIIP · pith_short_8: FJE3G6QE

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/FJE3G6QEKJGXGIIP623YXUM25T \
  | 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: 2a49b37a04524d73210ff6b78bd19aeccedbf1475127e55b765693ef95c88e9e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6b649cdc8947f3f6e7b8e3d2f3e66e11f556dd07c36ea7f08b858ccaf190cb0b",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-07-25T00:23:24Z",
    "title_canon_sha256": "2ef284d918f82fb6adae9b42b59b02890b6be47c15704207f67f038be8618a50"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.09401",
    "kind": "arxiv",
    "version": 2
  }
}