Pith Number

pith:HEUSY2UJ

pith:2005:HEUSY2UJS4OHY3SU2SICSD5VEX

not attested not anchored not stored refs pending

GRAPE-6A: A single-card GRAPE-6 for parallel PC-GRAPE cluster system

Atsushi Kawai, Junichiro Makino, Toshiyuki Fukushige

arxiv:astro-ph/0504407 v1 · 2005-04-19 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HEUSY2UJS4OHY3SU2SICSD5VEX}

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	2026-05-18T01:40:34.168636Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

39292c6a89971c7c6e54d490290fb525e89f13f0dc7c0a5f5809a28fb6766809

Aliases

arxiv: astro-ph/0504407 · arxiv_version: astro-ph/0504407v1 · doi: 10.48550/arxiv.astro-ph/0504407 · pith_short_12: HEUSY2UJS4OH · pith_short_16: HEUSY2UJS4OHY3SU · pith_short_8: HEUSY2UJ

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/HEUSY2UJS4OHY3SU2SICSD5VEX \
  | 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: 39292c6a89971c7c6e54d490290fb525e89f13f0dc7c0a5f5809a28fb6766809

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a2410ef43d885583c8b7b441298c59a1d49382dc59a2f43e202c5af855fd95cf",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-04-19T06:45:13Z",
    "title_canon_sha256": "95e36e0c7306ac84b4805e5ffa2937965b8d5a4bc2cec3a61cbf847b3ffe200d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0504407",
    "kind": "arxiv",
    "version": 1
  }
}