Pith Number

pith:PEPTDWUZ

pith:2013:PEPTDWUZFRDIMXUZHLJH2HSDUD

not attested not anchored not stored refs pending

A Performance Comparison of Different Graphics Processing Units Running Direct N-Body Simulations

Italy), Mario Spera (Dep. of Physics, Roberto Capuzzo-Dolcetta, Sapienza, Universit\`a di Roma

arxiv:1304.1966 v1 · 2013-04-07 · astro-ph.IM · cs.DC · cs.PF

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PEPTDWUZFRDIMXUZHLJH2HSDUD}

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	2026-05-18T01:50:42.016086Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

791f31da992c46865e993ad27d1e43a0e4eb0b6bd7af4ce159084f6320700363

Aliases

arxiv: 1304.1966 · arxiv_version: 1304.1966v1 · doi: 10.48550/arxiv.1304.1966 · pith_short_12: PEPTDWUZFRDI · pith_short_16: PEPTDWUZFRDIMXUZ · pith_short_8: PEPTDWUZ

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/PEPTDWUZFRDIMXUZHLJH2HSDUD \
  | 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: 791f31da992c46865e993ad27d1e43a0e4eb0b6bd7af4ce159084f6320700363

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3a16f0216a11684ae7f92dd335276740b6b26ebfdd7b8e01c34282da8baa9879",
    "cross_cats_sorted": [
      "cs.DC",
      "cs.PF"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2013-04-07T08:08:51Z",
    "title_canon_sha256": "3ab25d2f666b694420b53de29ab7c3a92304582674af1729b840d7ada212d895"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.1966",
    "kind": "arxiv",
    "version": 1
  }
}