Pith Number

pith:MK5F437F

pith:2016:MK5F437FRFQ3ZA6KIWGEEXAY7Y

not attested not anchored not stored refs pending

Analysis of a high order unfitted finite element method for elliptic interface problems

Arnold Reusken, Christoph Lehrenfeld

arxiv:1602.02970 v3 · 2016-02-09 · 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{MK5F437FRFQ3ZA6KIWGEEXAY7Y}

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	2026-05-18T00:41:46.565369Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

62ba5e6fe58961bc83ca458c425c18fe37b1a8f4590d625d6223c2a2cd4d9426

Aliases

arxiv: 1602.02970 · arxiv_version: 1602.02970v3 · doi: 10.48550/arxiv.1602.02970 · pith_short_12: MK5F437FRFQ3 · pith_short_16: MK5F437FRFQ3ZA6K · pith_short_8: MK5F437F

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/MK5F437FRFQ3ZA6KIWGEEXAY7Y \
  | 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: 62ba5e6fe58961bc83ca458c425c18fe37b1a8f4590d625d6223c2a2cd4d9426

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "453bd3faa49ce64114aa061bb86c1ec1e602c931c7abef8fcb08a1750c5c7edc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-02-09T13:12:52Z",
    "title_canon_sha256": "00b6119f49f63a7a3fab56e1b43d3bf2d791aceedf61414a67077147ec22f4c2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.02970",
    "kind": "arxiv",
    "version": 3
  }
}