Pith Number

pith:4KQZ4M2B

pith:2018:4KQZ4M2B2O7GZXIRWE7JQ4S4TG

not attested not anchored not stored refs pending

Chromatic transit light curves of disintegrating rocky planets

A. R. Ridden-Harper, C. U. Keller, I. A. G. Snellen, M. Min, R. van Lieshout

arxiv:1807.07973 v1 · 2018-07-20 · 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{4KQZ4M2B2O7GZXIRWE7JQ4S4TG}

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	2026-05-18T00:02:33.663035Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e2a19e3341d3be6cdd11b13e98725c9980581cbf05e6a01f88222f760960f9b1

Aliases

arxiv: 1807.07973 · arxiv_version: 1807.07973v1 · doi: 10.48550/arxiv.1807.07973 · pith_short_12: 4KQZ4M2B2O7G · pith_short_16: 4KQZ4M2B2O7GZXIR · pith_short_8: 4KQZ4M2B

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/4KQZ4M2B2O7GZXIRWE7JQ4S4TG \
  | 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: e2a19e3341d3be6cdd11b13e98725c9980581cbf05e6a01f88222f760960f9b1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "570255ad2b3539198cf0ef6cb3fb853a88befa40d804d2f7461a5d7be7bc64e7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2018-07-20T18:00:03Z",
    "title_canon_sha256": "e59a38646c04a6e11eb08e50282417813aa0dfd4fc3c38dd729fb992cb6a4c08"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.07973",
    "kind": "arxiv",
    "version": 1
  }
}