Pith Number

pith:PL7KWN67

pith:1997:PL7KWN67NU5T2TDICQHZQGAOMY

not attested not anchored not stored refs pending

Performance and accuracy of a GRAPE-3 system for collisionless N-body simulations

A. Bosma, E. Athanassoula, J.-C. Lambert, J. Makino

arxiv:astro-ph/9709246 v1 · 1997-09-25 · 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{PL7KWN67NU5T2TDICQHZQGAOMY}

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	2026-07-04T16:03:15.617045Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7afeab37df6d3b3d4c68140f98180e661cf71984ee8a7cccd848afe3653cabad

Aliases

arxiv: astro-ph/9709246 · arxiv_version: astro-ph/9709246v1 · doi: 10.48550/arxiv.astro-ph/9709246 · pith_short_12: PL7KWN67NU5T · pith_short_16: PL7KWN67NU5T2TDI · pith_short_8: PL7KWN67

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/PL7KWN67NU5T2TDICQHZQGAOMY \
  | 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: 7afeab37df6d3b3d4c68140f98180e661cf71984ee8a7cccd848afe3653cabad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c1420531ca2594a0c4ea120dcc27811dff2627618ddbaf00453773505da88f90",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1997-09-25T11:34:54Z",
    "title_canon_sha256": "6d7128865e733da74847eafc074fc9d84f61db88585db1c64bd2e88571f2c510"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9709246",
    "kind": "arxiv",
    "version": 1
  }
}