Pith Number

pith:2NDHNBES

pith:2010:2NDHNBESLHSKMBJWN2KPIPD36Y

not attested not anchored not stored refs pending

N-body Simulations for f(R) Gravity using a Self-adaptive Particle-Mesh Code

Baojiu Li (Cambridge), Gong-Bo Zhao (ICG, Kazuya Koyama (ICG, Portsmouth)

arxiv:1011.1257 v2 · 2010-11-04 · astro-ph.CO · gr-qc · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2NDHNBESLHSKMBJWN2KPIPD36Y}

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	2026-05-18T04:28:29.301537Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d34676849259e4a605366e94f43c7bf633f7610df13b03c556acd74b49ec9d9a

Aliases

arxiv: 1011.1257 · arxiv_version: 1011.1257v2 · doi: 10.48550/arxiv.1011.1257 · pith_short_12: 2NDHNBESLHSK · pith_short_16: 2NDHNBESLHSKMBJW · pith_short_8: 2NDHNBES

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/2NDHNBESLHSKMBJWN2KPIPD36Y \
  | 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: d34676849259e4a605366e94f43c7bf633f7610df13b03c556acd74b49ec9d9a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b451eb31ef99b515fd450bf45dcb186e91681ff2bb8af574e5eef785092687df",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-11-04T20:00:02Z",
    "title_canon_sha256": "3a95888887371238ef6bae4875b40cc736fb8d6c3652f31ccc1d2e9db54fc33f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1011.1257",
    "kind": "arxiv",
    "version": 2
  }
}