Pith Number

pith:XKB25OSJ

pith:2009:XKB25OSJTIOETIFIDX7DK5BHN2

not attested not anchored not stored refs pending

Unstable Planetary Systems Emerging Out Of Gas Disks

Edward W. Thommes, Frederic A. Rasio, Soko Matsumura, Sourav Chatterjee

arxiv:0903.2660 v2 · 2009-03-15 · astro-ph.EP · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XKB25OSJTIOETIFIDX7DK5BHN2}

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	2026-05-18T02:35:00.404825Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ba83aeba499a1c49a0a81dfe3574276e82dcae757d15b6f7be4beb5093a3dbee

Aliases

arxiv: 0903.2660 · arxiv_version: 0903.2660v2 · doi: 10.48550/arxiv.0903.2660 · pith_short_12: XKB25OSJTIOE · pith_short_16: XKB25OSJTIOETIFI · pith_short_8: XKB25OSJ

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/XKB25OSJTIOETIFIDX7DK5BHN2 \
  | 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: ba83aeba499a1c49a0a81dfe3574276e82dcae757d15b6f7be4beb5093a3dbee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "727684d765125809c749fdc98fa1a41f2e8e8e93d5b153cc0437f98754af51a8",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2009-03-15T18:58:38Z",
    "title_canon_sha256": "7d87253201741010464f3774215637558ea8c99313c63f72439dadee0304e04f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.2660",
    "kind": "arxiv",
    "version": 2
  }
}