Pith Number

pith:DSIUHOYK

pith:2016:DSIUHOYKFURUNPTXKDY4AT2DFA

not attested not anchored not stored refs pending

Higher Order Cut Finite Elements for the Wave Equation

Gunilla Kreiss, Simon Sticko

arxiv:1608.03107 v2 · 2016-08-10 · 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{DSIUHOYKFURUNPTXKDY4AT2DFA}

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	2026-05-18T00:23:09.382428Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1c9143bb0a2d2346be7750f1c04f43281413318979ad67ab6f8244d6cee241d2

Aliases

arxiv: 1608.03107 · arxiv_version: 1608.03107v2 · doi: 10.48550/arxiv.1608.03107 · pith_short_12: DSIUHOYKFURU · pith_short_16: DSIUHOYKFURUNPTX · pith_short_8: DSIUHOYK

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/DSIUHOYKFURUNPTXKDY4AT2DFA \
  | 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: 1c9143bb0a2d2346be7750f1c04f43281413318979ad67ab6f8244d6cee241d2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "05ad84cb46274b2cc08ce1e752e78b037e62c3dd6a4c9d7b44e351fc8f62b18d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-08-10T09:40:16Z",
    "title_canon_sha256": "d844ae197ca21f799661434047f3b082be5a447c1a7713e9e3e6ee0e2635efed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.03107",
    "kind": "arxiv",
    "version": 2
  }
}