Pith Number

pith:ERXBWIVP

pith:2000:ERXBWIVPRDAM4C6IE6RITGLI2V

not attested not anchored not stored refs pending

A modified parallel tree code for N-body simulation of the Large Scale Structure of the Universe

M. Gambera, U. Becciani, V. Antonuccio-Delogu

arxiv:astro-ph/0004249 v2 · 2000-04-18 · 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{ERXBWIVPRDAM4C6IE6RITGLI2V}

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	2026-07-04T16:16:19.402008Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

246e1b22af88c0ce0bc827a2899968d54126668bf7c3b599000f3cda2b0ae742

Aliases

arxiv: astro-ph/0004249 · arxiv_version: astro-ph/0004249v2 · doi: 10.48550/arxiv.astro-ph/0004249 · pith_short_12: ERXBWIVPRDAM · pith_short_16: ERXBWIVPRDAM4C6I · pith_short_8: ERXBWIVP

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/ERXBWIVPRDAM4C6IE6RITGLI2V \
  | 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: 246e1b22af88c0ce0bc827a2899968d54126668bf7c3b599000f3cda2b0ae742

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dc07f072ef63123b745cee359d01f4e89d9eb3e1a19a31e6b6e8a01098090921",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-04-18T09:29:55Z",
    "title_canon_sha256": "15e0b1d32fdbab20db17d28a08202529d521470c77890f736365c252195e3550"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0004249",
    "kind": "arxiv",
    "version": 2
  }
}