Pith Number

pith:XKDNTWKV

pith:2011:XKDNTWKVNYA4VCOGQU7SSV3Y6X

not attested not anchored not stored refs pending

Kepler 16: A System of Potential Interest to Astrobiologists

Laurance R. Doyle, Martin J. Heath

arxiv:1111.0002 v1 · 2011-10-30 · 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{XKDNTWKVNYA4VCOGQU7SSV3Y6X}

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	2026-05-18T04:09:46.651344Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ba86d9d9556e01ca89c6853f295778f5f7d401c93379d019bd594a0cc5dd4024

Aliases

arxiv: 1111.0002 · arxiv_version: 1111.0002v1 · doi: 10.48550/arxiv.1111.0002 · pith_short_12: XKDNTWKVNYA4 · pith_short_16: XKDNTWKVNYA4VCOG · pith_short_8: XKDNTWKV

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/XKDNTWKVNYA4VCOGQU7SSV3Y6X \
  | 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: ba86d9d9556e01ca89c6853f295778f5f7d401c93379d019bd594a0cc5dd4024

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c6ff3cd64d2297774aa373949b86bca44a4549ebc526ae69ce45a7ae29156d34",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2011-10-30T05:17:02Z",
    "title_canon_sha256": "bb47204ed2776e3a56651e5722289fdf87ebaed7e469ad54670d20082651e575"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.0002",
    "kind": "arxiv",
    "version": 1
  }
}