Pith Number

pith:UM2EEJ22

pith:2009:UM2EEJ22AA4SL67BHYVH4XLN7D

not attested not anchored not stored refs pending

A Quasi-Stationary Solution to Gliese 436b's Eccentricity

Eugenio Rivera, Gregory Laughlin, Konstantin Batygin, Paul Butler, Stefano Meschiari, Steve Vogt

arxiv:0904.3146 v2 · 2009-04-21 · 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{UM2EEJ22AA4SL67BHYVH4XLN7D}

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	2026-05-18T04:29:43.390110Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a33442275a003925fbe13e2a7e5d6df8f1329efb3e3fd2e36fed8741a4649131

Aliases

arxiv: 0904.3146 · arxiv_version: 0904.3146v2 · doi: 10.48550/arxiv.0904.3146 · pith_short_12: UM2EEJ22AA4S · pith_short_16: UM2EEJ22AA4SL67B · pith_short_8: UM2EEJ22

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/UM2EEJ22AA4SL67BHYVH4XLN7D \
  | 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: a33442275a003925fbe13e2a7e5d6df8f1329efb3e3fd2e36fed8741a4649131

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a289e7172491000eda93ab76a49297e0002a19c836f0a48c61abc7cf2120198b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2009-04-21T00:21:17Z",
    "title_canon_sha256": "29624c6b40d1db14126a759ca8afdf49a8f72c56d68c6d9da48ce42e372eb72f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.3146",
    "kind": "arxiv",
    "version": 2
  }
}