Pith Number

pith:3OI74QWH

pith:2023:3OI74QWHZAKVE2HL3C5NXOUDEG

not attested not anchored not stored refs pending

Spectrally-tuned compact finite-difference schemes with domain decomposition and applications to numerical relativity

Boris Daszuta

arxiv:2302.14858 v1 · 2023-02-28 · gr-qc · 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{3OI74QWHZAKVE2HL3C5NXOUDEG}

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	2026-07-05T05:46:50.694544Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

db91fe42c7c8155268ebd8badbba8321ba2a810a820322b65e95b19fb4f168dd

Aliases

arxiv: 2302.14858 · arxiv_version: 2302.14858v1 · doi: 10.48550/arxiv.2302.14858 · pith_short_12: 3OI74QWHZAKV · pith_short_16: 3OI74QWHZAKVE2HL · pith_short_8: 3OI74QWH

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/3OI74QWHZAKVE2HL3C5NXOUDEG \
  | 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: db91fe42c7c8155268ebd8badbba8321ba2a810a820322b65e95b19fb4f168dd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ebc4df37e7f638ad5ee78740695d77c324193ac3977da111138b50e59e77f21a",
    "cross_cats_sorted": [
      "cs.NA",
      "math.NA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2023-02-28T18:57:09Z",
    "title_canon_sha256": "eeb0e1ffc4c69ec3985a47c2656b40db19fe8d6ba5ed5076e30b60d7479a77da"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2302.14858",
    "kind": "arxiv",
    "version": 1
  }
}