Pith Number

pith:B4JJYAD4

pith:2012:B4JJYAD4E6SNUSMJMB2DWSEYDT

not attested not anchored not stored refs pending

A Recipe to Probe Alternative Theories of Gravitation via N-body Numerical Simulations. I. Spiral Galaxies

C.S.S. Brandao, J.C.N. de Araujo

arxiv:1204.5366 v1 · 2012-04-24 · astro-ph.CO · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{B4JJYAD4E6SNUSMJMB2DWSEYDT}

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	2026-05-18T03:57:13.436334Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0f129c007c27a4da498960743b48981cfe1c5aab318f9c12a3b9b8813408ebcd

Aliases

arxiv: 1204.5366 · arxiv_version: 1204.5366v1 · doi: 10.48550/arxiv.1204.5366 · pith_short_12: B4JJYAD4E6SN · pith_short_16: B4JJYAD4E6SNUSMJ · pith_short_8: B4JJYAD4

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/B4JJYAD4E6SNUSMJMB2DWSEYDT \
  | 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: 0f129c007c27a4da498960743b48981cfe1c5aab318f9c12a3b9b8813408ebcd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "71130c525926f651753c21b3d4d25fb917d71e947d2b58abf6e7974729489ebc",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-04-24T13:15:29Z",
    "title_canon_sha256": "cd3171b584686ad64e7f787dad7009b3cb54ce6dfaf17a79cbad5b9b5cf25407"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.5366",
    "kind": "arxiv",
    "version": 1
  }
}