Pith Number

pith:TYZHFWXO

pith:2001:TYZHFWXO23WETH5ZXKGCE3UUIB

not attested not anchored not stored refs pending

An Integrated Procedure for Tree-Nbody Simulations: FLY and AstroMD

C. Gheller, F. Buonomo, U. Becciani, V. Antonuccio-Delogu

arxiv:astro-ph/0101447 v1 · 2001-01-25 · 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{TYZHFWXO23WETH5ZXKGCE3UUIB}

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	2026-07-04T14:11:01.808920Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9e3272daeed6ec499fb9ba8c226e944061bac72678dfced4fe2f0d4efa61a59f

Aliases

arxiv: astro-ph/0101447 · arxiv_version: astro-ph/0101447v1 · doi: 10.48550/arxiv.astro-ph/0101447 · pith_short_12: TYZHFWXO23WE · pith_short_16: TYZHFWXO23WETH5Z · pith_short_8: TYZHFWXO

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/TYZHFWXO23WETH5ZXKGCE3UUIB \
  | 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: 9e3272daeed6ec499fb9ba8c226e944061bac72678dfced4fe2f0d4efa61a59f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b1e6ebe28b9c477186c20b44afcb73c4e293252dda4739222bec4db6bd0b14b8",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-01-25T10:49:18Z",
    "title_canon_sha256": "87fe00d5732d375ef03d6f0f7a29747be75f54c48ee90d3cb8e8896dce81ef50"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0101447",
    "kind": "arxiv",
    "version": 1
  }
}