Pith Number

pith:L3X6JRAK

pith:2008:L3X6JRAKUTIW22MMPFLS7FYYTZ

not attested not anchored not stored refs pending

Gas disks to gas giants: Simulating the birth of planetary systems

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

arxiv:0808.1439 v1 · 2008-08-11 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{L3X6JRAKUTIW22MMPFLS7FYYTZ}

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	2026-07-04T15:13:32.730221Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5eefe4c40aa4d16d698c79572f97189e533e2dd4c92f330a2d330f5df9ad4763

Aliases

arxiv: 0808.1439 · arxiv_version: 0808.1439v1 · doi: 10.48550/arxiv.0808.1439 · pith_short_12: L3X6JRAKUTIW · pith_short_16: L3X6JRAKUTIW22MM · pith_short_8: L3X6JRAK

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/L3X6JRAKUTIW22MMPFLS7FYYTZ \
  | 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: 5eefe4c40aa4d16d698c79572f97189e533e2dd4c92f330a2d330f5df9ad4763

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "073284b4771f367893b5261c72956651b5e24638bfe264bd86b7c04a0c12d9a5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-08-11T03:38:56Z",
    "title_canon_sha256": "6bdcd7593b1ffe1244c80eb37fe51a6f2a35e919bd178302964e782013b2acf5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0808.1439",
    "kind": "arxiv",
    "version": 1
  }
}