Pith Number

pith:IEIFQO4V

pith:2009:IEIFQO4VQZNRLQY7SMXBHCQ5GL

not attested not anchored not stored refs pending

Exoplanetary Transit Constraints Based Upon Secondary Eclipse Observations

California Institute of Technology), Kaspar von Braun (NASA Exoplanet Science Institute, Stephen R. Kane

arxiv:0908.0519 v1 · 2009-08-04 · astro-ph.EP · 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{IEIFQO4VQZNRLQY7SMXBHCQ5GL}

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	2026-05-18T02:12:44.721092Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4110583b95865b15c31f932e138a1d32d37a2632e9098ea36376d5cd5c18aad2

Aliases

arxiv: 0908.0519 · arxiv_version: 0908.0519v1 · doi: 10.48550/arxiv.0908.0519 · pith_short_12: IEIFQO4VQZNR · pith_short_16: IEIFQO4VQZNRLQY7 · pith_short_8: IEIFQO4V

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/IEIFQO4VQZNRLQY7SMXBHCQ5GL \
  | 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: 4110583b95865b15c31f932e138a1d32d37a2632e9098ea36376d5cd5c18aad2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5df40b74d15c173af1f4491932f622fcdb8c675f57308bf6c9686a120d3aacfb",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2009-08-04T19:25:09Z",
    "title_canon_sha256": "40398bae259580f6bf4dac7ab04f133d6b03099de22ad1f5a086234f981c7578"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.0519",
    "kind": "arxiv",
    "version": 1
  }
}