Pith Number

pith:77BUODCZ

pith:2026:77BUODCZQX7CZ4OYBEZBWYYFCM

not attested not anchored not stored refs pending

gevolution 2.0: GPU-accelerated relativistic N-body simulations for cosmology

Julian Adamek, {\O}yvind Christiansen

arxiv:2607.17929 v1 · 2026-07-20 · astro-ph.IM · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{77BUODCZQX7CZ4OYBEZBWYYFCM}

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	2026-07-21T02:22:07.029300Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ffc3470c5985fe2cf1d809321b6305131fe88f555b5f1380d66a09bc16a9a627

Aliases

arxiv: 2607.17929 · arxiv_version: 2607.17929v1 · doi: 10.48550/arxiv.2607.17929 · pith_short_12: 77BUODCZQX7C · pith_short_16: 77BUODCZQX7CZ4OY · pith_short_8: 77BUODCZ

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/77BUODCZQX7CZ4OYBEZBWYYFCM \
  | 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: ffc3470c5985fe2cf1d809321b6305131fe88f555b5f1380d66a09bc16a9a627

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1c4f92e83c3156efca53d0f241a0a7d44308247e8c94522bec8d1a6b6c2739f5",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2026-07-20T13:27:31Z",
    "title_canon_sha256": "f9364bd3d096eea21ca0adb563a13f2569fbe23c316d3299894dbb5299742dea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.17929",
    "kind": "arxiv",
    "version": 1
  }
}