Pith Number

pith:SZMIWHQJ

pith:2009:SZMIWHQJYMBM46CPQBSIF5B2Q2

not attested not anchored not stored refs pending

On the correlation between metallicity and the presence of giant planets

M. Haywood

arxiv:0904.4445 v1 · 2009-04-28 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SZMIWHQJYMBM46CPQBSIF5B2Q2}

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	2026-05-18T04:29:43.282412Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

96588b1e09c302ce784f806482f43a86ab206e099d8974120c8c9bd656d31162

Aliases

arxiv: 0904.4445 · arxiv_version: 0904.4445v1 · doi: 10.48550/arxiv.0904.4445 · pith_short_12: SZMIWHQJYMBM · pith_short_16: SZMIWHQJYMBM46CP · pith_short_8: SZMIWHQJ

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/SZMIWHQJYMBM46CPQBSIF5B2Q2 \
  | 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: 96588b1e09c302ce784f806482f43a86ab206e099d8974120c8c9bd656d31162

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e4d7a4277967cb4e52d0991f0437f87018fae1abdb2751d1c0e90ff902e2fcd6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-04-28T16:55:59Z",
    "title_canon_sha256": "7b336e8cd460eb00cf4d976e2fb6f86c45a6967a378a674b9ae8cf415e6099ff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.4445",
    "kind": "arxiv",
    "version": 1
  }
}