Pith Number

pith:ROJ74UVS

pith:2015:ROJ74UVSYDIQC2J5D7EHEGZFTI

not attested not anchored not stored refs pending

An improved SPH scheme for cosmological simulations

A. Arth, A.F. Teklu, A.M. Beck, G. Murante, J.M.F. Donnert, K. Dolag, M.C. Beck, M. Imgrund, P. Foerster, R.-S. Remus, S. Borgani, S. Planelles

arxiv:1502.07358 v2 · 2015-02-25 · astro-ph.CO · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ROJ74UVSYDIQC2J5D7EHEGZFTI}

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	2026-05-18T01:29:46.434595Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8b93fe52b2c0d101693d1fc8721b259a120dc7827aecf6a0714f29c0bc0001a9

Aliases

arxiv: 1502.07358 · arxiv_version: 1502.07358v2 · doi: 10.48550/arxiv.1502.07358 · pith_short_12: ROJ74UVSYDIQ · pith_short_16: ROJ74UVSYDIQC2J5 · pith_short_8: ROJ74UVS

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/ROJ74UVSYDIQC2J5D7EHEGZFTI \
  | 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: 8b93fe52b2c0d101693d1fc8721b259a120dc7827aecf6a0714f29c0bc0001a9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2b596f445c0ef6629c8d67d0e2ef27617bbfdb6e825bda883779d73f784e2dd4",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2015-02-25T21:00:14Z",
    "title_canon_sha256": "7164dafa4d892385da72303e301cadb5a16b1664bb0b6fdea4c668db07308051"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.07358",
    "kind": "arxiv",
    "version": 2
  }
}