Pith Number

pith:BPDXPJQD

pith:2007:BPDXPJQDWH3NPOAOPHLEQZFRIY

not attested not anchored not stored refs pending

Extreme Habitability: Formation of Habitable Planets in Systems with Close-in Giant Planets and/or Stellar Companions

Nader Haghighipour

arxiv:0711.0782 v1 · 2007-11-06 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BPDXPJQDWH3NPOAOPHLEQZFRIY}

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	2026-05-18T02:35:24.318662Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0bc777a603b1f6d7b80e79d64864b1460e9709f5737b85d0bace53dab4757cc7

Aliases

arxiv: 0711.0782 · arxiv_version: 0711.0782v1 · doi: 10.48550/arxiv.0711.0782 · pith_short_12: BPDXPJQDWH3N · pith_short_16: BPDXPJQDWH3NPOAO · pith_short_8: BPDXPJQD

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/BPDXPJQDWH3NPOAOPHLEQZFRIY \
  | 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: 0bc777a603b1f6d7b80e79d64864b1460e9709f5737b85d0bace53dab4757cc7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6350614cac460201c8ae0e02e0ee230d081c9f31f95e908e94d5545dd8d60efc",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-11-06T00:31:59Z",
    "title_canon_sha256": "39a703e147d4df53ce24ebb6c28a48a699c8c98448e8ff731adf13200c845d5f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0711.0782",
    "kind": "arxiv",
    "version": 1
  }
}