Pith Number

pith:ZAJM2325

pith:2026:ZAJM2325TKIJZGG2UY3FBCEPKM

not attested not anchored not stored refs pending

A Scalable Fast Multipole Method Poisson Solver for the RAMSES code: II. Adaptive Mesh Refinement and Adaptive Time Stepping

Jun-Young Lee, Romain Teyssier

arxiv:2607.19489 v1 · 2026-07-21 · astro-ph.IM · astro-ph.GA · physics.comp-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{ZAJM2325TKIJZGG2UY3FBCEPKM}

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	2026-07-23T00:23:52.518529Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c812cd6f5d9a909c98daa63650888f531ec152202a595bba6f7679daa0d3782c

Aliases

arxiv: 2607.19489 · arxiv_version: 2607.19489v1 · doi: 10.48550/arxiv.2607.19489 · pith_short_12: ZAJM2325TKIJ · pith_short_16: ZAJM2325TKIJZGG2 · pith_short_8: ZAJM2325

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/ZAJM2325TKIJZGG2UY3FBCEPKM \
  | 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: c812cd6f5d9a909c98daa63650888f531ec152202a595bba6f7679daa0d3782c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "86466df89cce7504a97c1b328fb00af967d7f3984e1fd3bad1aabaca07cf53f6",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "physics.comp-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2026-07-21T18:07:23Z",
    "title_canon_sha256": "5141f837a3924037374448edaccc624e0b5fbb17a7cc2a7e801440afc0e46169"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.19489",
    "kind": "arxiv",
    "version": 1
  }
}