Pith Number

pith:74S652ZX

pith:2015:74S652ZXWJB5B6L4Z2FCEG3P5S

not attested not anchored not stored refs pending

The bulk composition of exo-planets

Ben Zuckerman, Boris Gaensicke, Carl Melis, Dimitri Veras, Jay Farihi, John Debes, Michael Jura, Mukremin Kilic, Patrick Dufour, Siyi Xu

arxiv:1505.03142 v1 · 2015-05-12 · 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{74S652ZXWJB5B6L4Z2FCEG3P5S}

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	2026-05-18T02:12:10.425223Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ff25eeeb37b243d0f97cce8a221b6fecb2c00357ead26f71fb15d70c6409a77d

Aliases

arxiv: 1505.03142 · arxiv_version: 1505.03142v1 · doi: 10.48550/arxiv.1505.03142 · pith_short_12: 74S652ZXWJB5 · pith_short_16: 74S652ZXWJB5B6L4 · pith_short_8: 74S652ZX

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/74S652ZXWJB5B6L4Z2FCEG3P5S \
  | 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: ff25eeeb37b243d0f97cce8a221b6fecb2c00357ead26f71fb15d70c6409a77d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d610121c20f43e7ec0e8176cad4b2d84cefdc8ee8259c2f1dc3c25da9d1e3a33",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2015-05-12T20:00:17Z",
    "title_canon_sha256": "c4dc0300757664b55c3da30b7d7d817e4a49d376d0c4fc0ab7b3e58d591e0aeb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.03142",
    "kind": "arxiv",
    "version": 1
  }
}