Pith Number

pith:IQXFFY4I

pith:2021:IQXFFY4IAURQKO43JSWGDIPZMX

not attested not anchored not stored refs pending

iCompare: A Package for Automated Comparison of Solar System Integrators

Joachim Moeyens, Lynne Jones, Maria Chernyavskaya, Mario Juric, Siegfried Eggl

arxiv:2111.12672 v1 · 2021-11-24 · astro-ph.IM · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IQXFFY4IAURQKO43JSWGDIPZMX}

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	2026-07-05T03:34:54.554878Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

442e52e3880523053b9b4cac61a1f965d16643e2a115b2cd024827b56a692859

Aliases

arxiv: 2111.12672 · arxiv_version: 2111.12672v1 · doi: 10.48550/arxiv.2111.12672 · pith_short_12: IQXFFY4IAURQ · pith_short_16: IQXFFY4IAURQKO43 · pith_short_8: IQXFFY4I

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/IQXFFY4IAURQKO43JSWGDIPZMX \
  | 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: 442e52e3880523053b9b4cac61a1f965d16643e2a115b2cd024827b56a692859

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ac3816d031f6e634494a35d91183f8fb6577157c98209e6b67edbfaebf91b9bd",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2021-11-24T18:05:51Z",
    "title_canon_sha256": "b1a532618c9200eab1ade1d3df442e734ac835dd66ce5604d0484085fcf9d9e2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.12672",
    "kind": "arxiv",
    "version": 1
  }
}