Pith Number

pith:VXFJZW7U

pith:2025:VXFJZW7UAYLMPKRGR57FFPQO7L

not attested not anchored not stored refs pending

Sapphire++: A particle transport code combining a spherical harmonic expansion and the discontinuous Galerkin method

Brian Reville, Florian Schulze, Nils W. Schween

arxiv:2501.05110 v1 · 2025-01-09 · astro-ph.HE · astro-ph.IM · physics.plasm-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VXFJZW7UAYLMPKRGR57FFPQO7L}

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	2026-07-05T09:59:04.455467Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

adca9cdbf40616c7aa268f7e52be0efac47f8946d237e6a9bfac8f9244a135fd

Aliases

arxiv: 2501.05110 · arxiv_version: 2501.05110v1 · doi: 10.48550/arxiv.2501.05110 · pith_short_12: VXFJZW7UAYLM · pith_short_16: VXFJZW7UAYLMPKRG · pith_short_8: VXFJZW7U

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/VXFJZW7UAYLMPKRGR57FFPQO7L \
  | 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: adca9cdbf40616c7aa268f7e52be0efac47f8946d237e6a9bfac8f9244a135fd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "59f58978690cc32e1b497a72b0ba5eab1661888483c9e50bd6ab08532c5242e9",
    "cross_cats_sorted": [
      "astro-ph.IM",
      "physics.plasm-ph"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2025-01-09T09:59:08Z",
    "title_canon_sha256": "86a6be1de241e2ab8e405b5460d921e22c4b402f11a62cde6a9f7fc611d21a5b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.05110",
    "kind": "arxiv",
    "version": 1
  }
}