Pith Number

pith:77V63ZAW

pith:2018:77V63ZAWGSLGMH2NSISGWDHRIX

not attested not anchored not stored refs pending

Color Classification of Extrasolar Giant Planets: Prospects and Cautions

Adam J. R. W. Smith, Bruce Macintosh, Jonathan J. Fortney, Mark S. Marley, Natasha E. Batalha, Nikole K. Lewis

arxiv:1807.08453 v1 · 2018-07-23 · 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{77V63ZAWGSLGMH2NSISGWDHRIX}

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	2026-05-18T00:04:55.409769Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ffebede4163496661f4d92246b0cf145de30b0c2f476274d6b34cd59355eb7bf

Aliases

arxiv: 1807.08453 · arxiv_version: 1807.08453v1 · doi: 10.48550/arxiv.1807.08453 · pith_short_12: 77V63ZAWGSLG · pith_short_16: 77V63ZAWGSLGMH2N · pith_short_8: 77V63ZAW

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/77V63ZAWGSLGMH2NSISGWDHRIX \
  | 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: ffebede4163496661f4d92246b0cf145de30b0c2f476274d6b34cd59355eb7bf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "37b132d8e6b83a7b83d6a401aea7b1b92731e069bd18ab87da3d45d8985727f4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2018-07-23T07:01:30Z",
    "title_canon_sha256": "544dcc4f8b51b4e967a85be49ceafae9c334cfd20eae95ca95536d5a81f3f2fb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.08453",
    "kind": "arxiv",
    "version": 1
  }
}