Pith Number

pith:5JG2PXG6

pith:1997:5JG2PXG6M6FSRFRBBTC25XVB3A

not attested not anchored not stored refs pending

A Parallel P^3M Code for Very Large Scale Cosmological Simulations

Frazer Pearce, Hugh Couchman, Jakob Pichlmeier, Tom MacFarland

arxiv:astro-ph/9708066 v1 · 1997-08-07 · 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{5JG2PXG6M6FSRFRBBTC25XVB3A}

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	2026-07-04T15:50:40.070736Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ea4da7dcde678b2896210cc5aedea1d825e0a407a2b13e6fa61075416b974650

Aliases

arxiv: astro-ph/9708066 · arxiv_version: astro-ph/9708066v1 · doi: 10.48550/arxiv.astro-ph/9708066 · pith_short_12: 5JG2PXG6M6FS · pith_short_16: 5JG2PXG6M6FSRFRB · pith_short_8: 5JG2PXG6

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/5JG2PXG6M6FSRFRBBTC25XVB3A \
  | 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: ea4da7dcde678b2896210cc5aedea1d825e0a407a2b13e6fa61075416b974650

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ca31d384b66a6e415214901857a411653cec039bdbe8e7a8d01d9315f91592e9",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1997-08-07T16:19:48Z",
    "title_canon_sha256": "931e305c115b7bc555eb8964abcee3cc3ad53fea57e44529aa12025c4fffe424"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9708066",
    "kind": "arxiv",
    "version": 1
  }
}