Pith Number

pith:6K7IIWL5

pith:2015:6K7IIWL5VAFOFW2L3EZIOBN7GL

not attested not anchored not stored refs pending

Direct evidence for an evolving dust cloud from the exoplanet KIC 12557548 b

Carole A. Haswell, Jakub J. Bochinski, Stuart P. Littlefair, Tom R. Marsh, Vikram S. Dhillon

arxiv:1502.04612 v1 · 2015-02-16 · 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{6K7IIWL5VAFOFW2L3EZIOBN7GL}

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	2026-05-18T02:26:58.481911Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f2be84597da80ae2db4bd9328705bf32ce1bd5d9f7b17df38471b6666ff079b5

Aliases

arxiv: 1502.04612 · arxiv_version: 1502.04612v1 · doi: 10.48550/arxiv.1502.04612 · pith_short_12: 6K7IIWL5VAFO · pith_short_16: 6K7IIWL5VAFOFW2L · pith_short_8: 6K7IIWL5

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/6K7IIWL5VAFOFW2L3EZIOBN7GL \
  | 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: f2be84597da80ae2db4bd9328705bf32ce1bd5d9f7b17df38471b6666ff079b5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "302c7ed52f00bcce2b19d58654c697ec381aad369b9324a11435fd25988f6bd7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2015-02-16T16:35:29Z",
    "title_canon_sha256": "2003e5f1bb3fc713130b16ebb7db6dc3105f18a36ea175c2fc47ea5d5ae3a560"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.04612",
    "kind": "arxiv",
    "version": 1
  }
}