Pith Number

pith:MDRKNGW3

pith:2026:MDRKNGW3QWZRNALW633UPG4Q5W

not attested not anchored not stored refs pending

Solarsystem: A Validated Lightweight Python Package for Planetary Positions and Solar-Lunar Event Calculations

Ioannis Nasios

arxiv:2606.27055 v1 · 2026-06-25 · astro-ph.EP · astro-ph.IM · astro-ph.SR · cs.CG · cs.SE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MDRKNGW3QWZRNALW633UPG4Q5W}

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	2026-06-26T01:16:08.249818Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

60e2a69adb85b3168176f6f7479b90edaaf42f819f95676c25ad6be802b1b8f6

Aliases

arxiv: 2606.27055 · arxiv_version: 2606.27055v1 · doi: 10.48550/arxiv.2606.27055 · pith_short_12: MDRKNGW3QWZR · pith_short_16: MDRKNGW3QWZRNALW · pith_short_8: MDRKNGW3

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/MDRKNGW3QWZRNALW633UPG4Q5W \
  | 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: 60e2a69adb85b3168176f6f7479b90edaaf42f819f95676c25ad6be802b1b8f6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7e0e42b1fe94792e46ed83ec570d1954b63892ab6df13d03313a6a2a9b8e0dae",
    "cross_cats_sorted": [
      "astro-ph.IM",
      "astro-ph.SR",
      "cs.CG",
      "cs.SE"
    ],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2026-06-25T13:59:57Z",
    "title_canon_sha256": "c62dc1339b163cbda547df317d9eea006a4adb859de6ea1d8f296030078a7d3c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.27055",
    "kind": "arxiv",
    "version": 1
  }
}