Pith Number

pith:WCUI6DHL

pith:2019:WCUI6DHL2GJUS23HC7LU7EL5IQ

not attested not anchored not stored refs pending

Analysis of the SBP-SAT Stabilization for Finite Element Methods Part I: Linear Problems

Jan Nordstr\"om, Philipp \"Offner, R\'emi Abgrall, Svetlana Tokareva

arxiv:1912.08108 v3 · 2019-12-17 · 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{WCUI6DHL2GJUS23HC7LU7EL5IQ}

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	2026-07-05T02:33:04.352260Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b0a88f0cebd193496b6717d74f917d44240d3bec9e852fc159472bfab5938e61

Aliases

arxiv: 1912.08108 · arxiv_version: 1912.08108v3 · doi: 10.48550/arxiv.1912.08108 · pith_short_12: WCUI6DHL2GJU · pith_short_16: WCUI6DHL2GJUS23H · pith_short_8: WCUI6DHL

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/WCUI6DHL2GJUS23HC7LU7EL5IQ \
  | 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: b0a88f0cebd193496b6717d74f917d44240d3bec9e852fc159472bfab5938e61

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f4a4949cf0809354d809dcc907e57cb87d0a1c572ee05f7e13205e3ea4be5281",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2019-12-17T16:01:32Z",
    "title_canon_sha256": "405c3d2600b386f4f209ee974d16e34f236a726a097f235c76a18f30b6aaab3c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1912.08108",
    "kind": "arxiv",
    "version": 3
  }
}