Pith Number

pith:2SI3CPKN

pith:2011:2SI3CPKNULPDKGS6K37UQYBA7U

not attested not anchored not stored refs pending

Tidal Evolution of Close-in Extrasolar Planets: High Stellar Q from New Theoretical Models

Dimitar Sasselov, Kaloyan Penev

arxiv:1102.3187 v1 · 2011-02-15 · astro-ph.SR · 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{2SI3CPKNULPDKGS6K37UQYBA7U}

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	2026-05-18T02:03:10.689381Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d491b13d4da2de351a5e56ff486020fd20fa0e1b0570247e39dac4dde2086494

Aliases

arxiv: 1102.3187 · arxiv_version: 1102.3187v1 · doi: 10.48550/arxiv.1102.3187 · pith_short_12: 2SI3CPKNULPD · pith_short_16: 2SI3CPKNULPDKGS6 · pith_short_8: 2SI3CPKN

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/2SI3CPKNULPDKGS6K37UQYBA7U \
  | 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: d491b13d4da2de351a5e56ff486020fd20fa0e1b0570247e39dac4dde2086494

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7ad13ca77a0a87b8c572f80cd0bdb77e1a09875de4b6c8a847b00ef15d5d7e37",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-02-15T21:00:58Z",
    "title_canon_sha256": "4a09dc4526d1448fd6d587eae8dfebc6d8fbaec3831c2da6dadc9c91e68bdb29"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.3187",
    "kind": "arxiv",
    "version": 1
  }
}