Pith Number

pith:BKD2WGGT

pith:2026:BKD2WGGTZFS5ZB2VA6HPLJHNJ7

not attested not anchored not stored refs pending

Semilinear wave equations in homothetic hyperboloidal coordinates and tail decay

Andrea N\"utzi, An{\i}l Zengino\u{g}lu, Sebastiano Bernuzzi

arxiv:2608.08863 v1 · 2026-08-09 · gr-qc · cs.NA · math.AP · 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{BKD2WGGTZFS5ZB2VA6HPLJHNJ7}

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	2026-08-11T01:25:33.670665Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0a87ab18d3c965dc8755078ef5a4ed4feb2681f512cd20cdac14d859e0a41249

Aliases

arxiv: 2608.08863 · arxiv_version: 2608.08863v1 · doi: 10.48550/arxiv.2608.08863 · pith_short_12: BKD2WGGTZFS5 · pith_short_16: BKD2WGGTZFS5ZB2V · pith_short_8: BKD2WGGT

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/BKD2WGGTZFS5ZB2VA6HPLJHNJ7 \
  | 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: 0a87ab18d3c965dc8755078ef5a4ed4feb2681f512cd20cdac14d859e0a41249

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e10d9b1651680db9ceebcba4544a3e6359e85a4e786594f5e9eb134012a49892",
    "cross_cats_sorted": [
      "cs.NA",
      "math.AP",
      "math.NA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2026-08-09T18:57:22Z",
    "title_canon_sha256": "970ceb2f0b7fe5fa70611d4889ddc0904e1a01a1386a93ddb37653339b8d4de7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.08863",
    "kind": "arxiv",
    "version": 1
  }
}