Pith Number

pith:XFFLFIL2

pith:2010:XFFLFIL2XEKLNSXSSWOUK2JFLN

not attested not anchored not stored refs pending

The Diversity of Extrasolar Terrestrial Planets

D. P. O'Brien, D. S. Lauretta, J. C. Bond

arxiv:1001.3901 v1 · 2010-01-22 · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XFFLFIL2XEKLNSXSSWOUK2JFLN}

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	2026-05-18T04:04:55.113371Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b94ab2a17ab914b6caf2959d4569255b5dde3375e3e73169dc48cd06a63b91d1

Aliases

arxiv: 1001.3901 · arxiv_version: 1001.3901v1 · doi: 10.48550/arxiv.1001.3901 · pith_short_12: XFFLFIL2XEKL · pith_short_16: XFFLFIL2XEKLNSXS · pith_short_8: XFFLFIL2

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/XFFLFIL2XEKLNSXSSWOUK2JFLN \
  | 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: b94ab2a17ab914b6caf2959d4569255b5dde3375e3e73169dc48cd06a63b91d1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3b9ba70f71762d8c5e3c445500ab62c4ce458067318cfcb842d63ed2aec938b0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2010-01-22T00:37:28Z",
    "title_canon_sha256": "383ad7f9ea09ed1f605988149fd33063ec44250600cfc89af79785862217f0ea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1001.3901",
    "kind": "arxiv",
    "version": 1
  }
}