Pith Number

pith:HO7J42BV

pith:2023:HO7J42BVBJT26Q55AGXY7ASIKP

not attested not anchored not stored refs pending

The Athena++ Adaptive Mesh Refinement Framework: Multigrid Solvers for Self-Gravity

James M. Stone, Kengo Tomida

arxiv:2302.13903 v1 · 2023-02-27 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HO7J42BVBJT26Q55AGXY7ASIKP}

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	2026-07-05T06:06:13.960915Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3bbe9e68350a67af43bd01af8f824853f96de6f8b0f40f8d5aafbb13bdaa9ac8

Aliases

arxiv: 2302.13903 · arxiv_version: 2302.13903v1 · doi: 10.48550/arxiv.2302.13903 · pith_short_12: HO7J42BVBJT2 · pith_short_16: HO7J42BVBJT26Q55 · pith_short_8: HO7J42BV

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/HO7J42BVBJT26Q55AGXY7ASIKP \
  | 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: 3bbe9e68350a67af43bd01af8f824853f96de6f8b0f40f8d5aafbb13bdaa9ac8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eae4b208701dfa63ed3bf3eb195f7be3efb3b29e2081565fd9ada205b7141fc4",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2023-02-27T15:46:31Z",
    "title_canon_sha256": "3b007e0f58e2379c2d1733932b8449cf2f3a9c0bfc832eb7043cfa13faffaeee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2302.13903",
    "kind": "arxiv",
    "version": 1
  }
}