Pith Number

pith:IIEAA3UN

pith:2010:IIEAA3UNRBN72KNQ2O2GGE6XIO

not attested not anchored not stored refs pending

Possible Signs of Water and Differentiation in a Rocky Exoplanetary Body

B. Klein, B. T. Gaensicke, C. S. Brinkworth, D. Koester, D. W. Hoard, J. Farihi, J. Girven, T. R. Marsh

arxiv:1101.0158 v2 · 2010-12-30 · 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{IIEAA3UNRBN72KNQ2O2GGE6XIO}

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	2026-05-18T03:54:16.772538Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4208006e8d885bfd29b0d3b46313d743aed22c4d126f0d3e98a0416abd5861fc

Aliases

arxiv: 1101.0158 · arxiv_version: 1101.0158v2 · doi: 10.48550/arxiv.1101.0158 · pith_short_12: IIEAA3UNRBN7 · pith_short_16: IIEAA3UNRBN72KNQ · pith_short_8: IIEAA3UN

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/IIEAA3UNRBN72KNQ2O2GGE6XIO \
  | 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: 4208006e8d885bfd29b0d3b46313d743aed22c4d126f0d3e98a0416abd5861fc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b8671c9c7572a8ce064230e31c40c84bb7fbec84f0ebe52992ef32d02e8e4868",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2010-12-30T21:00:01Z",
    "title_canon_sha256": "84ed53b938c256adf5130fb53e2f5a538a9140b441008e4bae1a62cbae68ab42"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.0158",
    "kind": "arxiv",
    "version": 2
  }
}