Pith Number

pith:EMEQD5GJ

pith:2009:EMEQD5GJWSNXKOCKUQLBQ3ELMY

not attested not anchored not stored refs pending

Empirical Constraints on the Oblateness of an Exoplanet

Joshua A. Carter, Joshua N. Winn

arxiv:0912.1594 v2 · 2009-12-08 · 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{EMEQD5GJWSNXKOCKUQLBQ3ELMY}

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	2026-05-18T02:33:57.163711Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

230901f4c9b49b75384aa416186c8b6635d510d8c238edcc877b3430c6d235b5

Aliases

arxiv: 0912.1594 · arxiv_version: 0912.1594v2 · doi: 10.48550/arxiv.0912.1594 · pith_short_12: EMEQD5GJWSNX · pith_short_16: EMEQD5GJWSNXKOCK · pith_short_8: EMEQD5GJ

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/EMEQD5GJWSNXKOCKUQLBQ3ELMY \
  | 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: 230901f4c9b49b75384aa416186c8b6635d510d8c238edcc877b3430c6d235b5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b2c51e9f420918245aeb6995fe1368ab56d2e22df712ea2ce4fe7a056bfc03a0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2009-12-08T21:06:20Z",
    "title_canon_sha256": "c33cfe98f6bb0fc71f1fdc16592a6fc3caf70179e3cb4be73d93573b9c461117"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.1594",
    "kind": "arxiv",
    "version": 2
  }
}