Pith Number

pith:O2CDP7WC

pith:2014:O2CDP7WCSJXFSMATOE5EKJ27I4

not attested not anchored not stored refs pending

A Technique for Extracting Highly Precise Photometry for the Two-Wheeled Kepler Mission

Andrew Vanderburg, John Asher Johnson

arxiv:1408.3853 v1 · 2014-08-17 · astro-ph.IM · astro-ph.EP · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{O2CDP7WCSJXFSMATOE5EKJ27I4}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T02:38:36.604550Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

768437fec2926e593013713a45275f4726a71407a8f83a0444e054287627f583

Aliases

arxiv: 1408.3853 · arxiv_version: 1408.3853v1 · doi: 10.48550/arxiv.1408.3853 · pith_short_12: O2CDP7WCSJXF · pith_short_16: O2CDP7WCSJXFSMAT · pith_short_8: O2CDP7WC

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/O2CDP7WCSJXFSMATOE5EKJ27I4 \
  | 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: 768437fec2926e593013713a45275f4726a71407a8f83a0444e054287627f583

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b8d4f90fdca60753dc66f36eb7fa96a2b534605037ab4e93febbd8b2e59a59d1",
    "cross_cats_sorted": [
      "astro-ph.EP",
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2014-08-17T20:01:10Z",
    "title_canon_sha256": "3d343ffba42dc0cdd2ce9860cb89f95e497f848085857b511704081804692d64"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.3853",
    "kind": "arxiv",
    "version": 1
  }
}