Pith Number

pith:AUIR43TY

pith:2018:AUIR43TY7FLKAB525QKFT5FC72

not attested not anchored not stored refs pending

Numerical verification of the microscopic time reversibility of Newton's equations of motion: Fighting exponential divergence

Simon Portegies Zwart, Tjarda Boekholt

arxiv:1802.00970 v1 · 2018-02-03 · astro-ph.IM · cs.CC · nlin.CD

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AUIR43TY7FLKAB525QKFT5FC72}

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	2026-05-18T00:21:06.206881Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

05111e6e78f956a007baec1459f4a2feb7882c1cc0581499fddea299f15d6cdd

Aliases

arxiv: 1802.00970 · arxiv_version: 1802.00970v1 · doi: 10.48550/arxiv.1802.00970 · pith_short_12: AUIR43TY7FLK · pith_short_16: AUIR43TY7FLKAB52 · pith_short_8: AUIR43TY

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/AUIR43TY7FLKAB525QKFT5FC72 \
  | 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: 05111e6e78f956a007baec1459f4a2feb7882c1cc0581499fddea299f15d6cdd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3f5dc31c6b53ed0d557f3b39b79cc602b0048c8cdf24fecfd26fe741b477c595",
    "cross_cats_sorted": [
      "cs.CC",
      "nlin.CD"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2018-02-03T12:57:51Z",
    "title_canon_sha256": "8f78090a2bf7d1e80c96a64fd744d89781f36fba7ea24b3f8fe31454bec96254"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.00970",
    "kind": "arxiv",
    "version": 1
  }
}