Pith Number

pith:XGSL5RVA

pith:2010:XGSL5RVATYLXTJSRR4IZ2MDYPN

not attested not anchored not stored refs pending

Determining the Eccentricity of the Moon's Orbit without a Telescope, and Some Comments on "Proof" in Empirical Science

Kevin Krisciunas

arxiv:1001.1432 v3 · 2010-01-09 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XGSL5RVATYLXTJSRR4IZ2MDYPN}

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	2026-07-04T17:31:59.997375Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b9a4bec6a09e1779a6518f119d30787b51aea13a48d994c2b68504fd2bff414e

Aliases

arxiv: 1001.1432 · arxiv_version: 1001.1432v3 · doi: 10.48550/arxiv.1001.1432 · pith_short_12: XGSL5RVATYLX · pith_short_16: XGSL5RVATYLXTJSR · pith_short_8: XGSL5RVA

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/XGSL5RVATYLXTJSRR4IZ2MDYPN \
  | 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: b9a4bec6a09e1779a6518f119d30787b51aea13a48d994c2b68504fd2bff414e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "50a826f83512ebbe49ce704a024b53ffb9d8cb22e52d7b337322c951927d5226",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2010-01-09T17:33:03Z",
    "title_canon_sha256": "dfe8e9992f10ce4731838e97d1968f554626801889e3729110eef4180f56fff0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1001.1432",
    "kind": "arxiv",
    "version": 3
  }
}