Pith Number

pith:54JSEQMK

pith:2018:54JSEQMKAQWCBZEBPZ2CYD3QSX

not attested not anchored not stored refs pending

On the implementation of a locally modified finite element method for interface problems in deal.II

Stefan Frei, Thomas Richter, Thomas Wick

arxiv:1806.00999 v1 · 2018-06-04 · 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{54JSEQMKAQWCBZEBPZ2CYD3QSX}

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	2026-05-18T00:14:17.763610Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ef1322418a042c20e4817e742c0f7095f63e85283e2a238c8dde479c89949e3e

Aliases

arxiv: 1806.00999 · arxiv_version: 1806.00999v1 · doi: 10.48550/arxiv.1806.00999 · pith_short_12: 54JSEQMKAQWC · pith_short_16: 54JSEQMKAQWCBZEB · pith_short_8: 54JSEQMK

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/54JSEQMKAQWCBZEBPZ2CYD3QSX \
  | 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: ef1322418a042c20e4817e742c0f7095f63e85283e2a238c8dde479c89949e3e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fff28f7c013d97896bb46bfb6ed0a87bd602e28c5d370217ec9754f8af256715",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-06-04T08:10:20Z",
    "title_canon_sha256": "eaaf5ef14bc1a0ee8581cad10677d37518c3fc999f22e157f3023d001708a492"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.00999",
    "kind": "arxiv",
    "version": 1
  }
}