Pith Number

pith:SUAI423G

pith:2009:SUAI423GY3OUN6CZDEPZRFQLX3

not attested not anchored not stored refs pending

The Pulsar Planets: A Test Case of Terrestrial Planet Assembly

Brad Hansen, Hsin-Yi Shih, Thayne Currie

arxiv:0908.0736 v1 · 2009-08-05 · 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{SUAI423GY3OUN6CZDEPZRFQLX3}

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	2026-05-18T02:12:44.276011Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

95008e6b66c6dd46f859191f98960bbedf33c5364f6c4e1fb7581cee96098ba8

Aliases

arxiv: 0908.0736 · arxiv_version: 0908.0736v1 · doi: 10.48550/arxiv.0908.0736 · pith_short_12: SUAI423GY3OU · pith_short_16: SUAI423GY3OUN6CZ · pith_short_8: SUAI423G

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/SUAI423GY3OUN6CZDEPZRFQLX3 \
  | 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: 95008e6b66c6dd46f859191f98960bbedf33c5364f6c4e1fb7581cee96098ba8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6cd28893ec7ac33a740963a59f45a41f9a5f7061f3a6cd218099176fa3c37e10",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2009-08-05T20:04:04Z",
    "title_canon_sha256": "2d261a4c3e5d82dfcc4b883e890547f074dc6bbdee7d23db1e2bece0faf793e1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.0736",
    "kind": "arxiv",
    "version": 1
  }
}