Pith Number

pith:CEWP5ZST

pith:2009:CEWP5ZST7O667H3JGFMZE4Y7CE

not attested not anchored not stored refs pending

Analyzing the designs of planet finding missions

D. Savransky, E. Cady, N. J. Kasdin

arxiv:0903.4915 v3 · 2009-03-27 · 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{CEWP5ZST7O667H3JGFMZE4Y7CE}

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	2026-05-18T02:24:56.189511Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

112cfee653fbbdef9f69315992731f110d1d4e73bf1aa611f5e3cb1c6d9cb398

Aliases

arxiv: 0903.4915 · arxiv_version: 0903.4915v3 · doi: 10.48550/arxiv.0903.4915 · pith_short_12: CEWP5ZST7O66 · pith_short_16: CEWP5ZST7O667H3J · pith_short_8: CEWP5ZST

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/CEWP5ZST7O667H3JGFMZE4Y7CE \
  | 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: 112cfee653fbbdef9f69315992731f110d1d4e73bf1aa611f5e3cb1c6d9cb398

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ff93308bff9d91d3f24b65e7ec70289f531ece49c5e32ad7674bcb7e334e2032",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2009-03-27T22:01:21Z",
    "title_canon_sha256": "bd8cbb28e5ace9853ae8ed5ad7c1de35ef519fecac8604663e2362f1dadcc759"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.4915",
    "kind": "arxiv",
    "version": 3
  }
}