Pith Number

pith:VFPDEYLE

pith:1999:VFPDEYLERCQKYAJUTLWII4H4W3

not attested not anchored not stored refs pending

Algorithm for numerical integration of the rigid-body equations of motion

Igor P. Omelyan

arxiv:physics/9901027 v1 · 1999-01-18 · physics.comp-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{VFPDEYLERCQKYAJUTLWII4H4W3}

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	2026-05-18T01:05:15.501752Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a95e32616488a0ac01349aec8470fcb6c9783f4a1b8f2ec5bfbb1bfa934bc20f

Aliases

arxiv: physics/9901027 · arxiv_version: physics/9901027v1 · doi: 10.48550/arxiv.physics/9901027 · pith_short_12: VFPDEYLERCQK · pith_short_16: VFPDEYLERCQKYAJU · pith_short_8: VFPDEYLE

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/VFPDEYLERCQKYAJUTLWII4H4W3 \
  | 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: a95e32616488a0ac01349aec8470fcb6c9783f4a1b8f2ec5bfbb1bfa934bc20f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a61e91358c0a3720ed69d1639ac6e12efbd646c56c2ab66b07e6f8fe7e1bf3da",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "1999-01-18T18:52:24Z",
    "title_canon_sha256": "14e0521d3d2f2ba80388ee4726f3ffe0b8ed0f007a659807e239630ed2010f21"
  },
  "schema_version": "1.0",
  "source": {
    "id": "physics/9901027",
    "kind": "arxiv",
    "version": 1
  }
}