Pith Number

pith:X4LCYJ5R

pith:2026:X4LCYJ5RP6RY6IN2PX2DV2MSYL

not attested not anchored not stored refs pending

Smoothed particle magnetohydrodynamics for simulations of galaxy and cosmic structure formation

Federico A. Stasyszyn, Maarten Elion, Matthieu Schaller, Nikyta Shchutskyi, Orestis A. Karapiperis

arxiv:2608.06978 v1 · 2026-08-07 · astro-ph.GA · astro-ph.CO · 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{X4LCYJ5RP6RY6IN2PX2DV2MSYL}

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	2026-08-10T01:12:43.121820Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bf162c27b17fa38f21ba7df43ae992c2d50811196ae0af3672a25738cb10565f

Aliases

arxiv: 2608.06978 · arxiv_version: 2608.06978v1 · doi: 10.48550/arxiv.2608.06978 · pith_short_12: X4LCYJ5RP6RY · pith_short_16: X4LCYJ5RP6RY6IN2 · pith_short_8: X4LCYJ5R

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/X4LCYJ5RP6RY6IN2PX2DV2MSYL \
  | 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: bf162c27b17fa38f21ba7df43ae992c2d50811196ae0af3672a25738cb10565f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e37642143d9e71d3282b757af3051ef3f4c80452a867d38f0358e2fb339bcb93",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2026-08-07T08:55:46Z",
    "title_canon_sha256": "5dcd57c64db1a5d90724252921ea95da2243b1ad888d1498c8e89f469f8d8dd7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.06978",
    "kind": "arxiv",
    "version": 1
  }
}