Pith Number

pith:KYHKH6SZ

pith:2019:KYHKH6SZE6SXKVTI77TGWURBCF

not attested not anchored not stored refs pending

Higher-Order Finite Element Approximation of the Dynamic Laplacian

Gary Froyland, Nathanael Schilling, Oliver Junge

arxiv:1906.07634 v1 · 2019-06-18 · math.DS · cs.NA · 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{KYHKH6SZE6SXKVTI77TGWURBCF}

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	2026-05-17T23:42:59.663121Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

560ea3fa5927a5755668ffe66b52211164143fc99c22a00ccdc94728722913ac

Aliases

arxiv: 1906.07634 · arxiv_version: 1906.07634v1 · doi: 10.48550/arxiv.1906.07634 · pith_short_12: KYHKH6SZE6SX · pith_short_16: KYHKH6SZE6SXKVTI · pith_short_8: KYHKH6SZ

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/KYHKH6SZE6SXKVTI77TGWURBCF \
  | 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: 560ea3fa5927a5755668ffe66b52211164143fc99c22a00ccdc94728722913ac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "05dd78b713e6710ce3545bfa733ca7fa3f8c1ee43d7382aa2fb512765130be08",
    "cross_cats_sorted": [
      "cs.NA",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2019-06-18T15:10:02Z",
    "title_canon_sha256": "346f4a12f35984aa9caf50a05522894a5665430200f59289858851938cfd4e50"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.07634",
    "kind": "arxiv",
    "version": 1
  }
}