Pith Number

pith:TJ566S4R

pith:2026:TJ566S4RXVSD5FTPH2ZTIBVJBH

not attested not anchored not stored refs pending

SACRA-K: A Performance-Portable Numerical Relativity Code with Kokkos

Kenta Kiuchi, Masaru Shibata, Ming-Zhe Han

arxiv:2607.08743 v1 · 2026-07-09 · astro-ph.HE · astro-ph.IM · gr-qc

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TJ566S4RXVSD5FTPH2ZTIBVJBH}

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	2026-07-10T01:19:58.977216Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9a7bef4b91bd643e966f3eb33406a909e52f1c4d8b70331442282cbb50ce8200

Aliases

arxiv: 2607.08743 · arxiv_version: 2607.08743v1 · doi: 10.48550/arxiv.2607.08743 · pith_short_12: TJ566S4RXVSD · pith_short_16: TJ566S4RXVSD5FTP · pith_short_8: TJ566S4R

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/TJ566S4RXVSD5FTPH2ZTIBVJBH \
  | 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: 9a7bef4b91bd643e966f3eb33406a909e52f1c4d8b70331442282cbb50ce8200

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "27a06f39f06c48a62814b5e708623131d643430211efbb1e0711e2a25693cff2",
    "cross_cats_sorted": [
      "astro-ph.IM",
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2026-07-09T17:45:25Z",
    "title_canon_sha256": "4f939c6360921da5772596f2168cf9ecfe7e2959fb0fa67fd91bff7966021802"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.08743",
    "kind": "arxiv",
    "version": 1
  }
}