Pith Number

pith:JIK2DDNN

pith:2016:JIK2DDNNTK3UUIFUXISVJNKD3S

not attested not anchored not stored refs pending

Spitzer Observations of Exoplanets Discovered with The Kepler K2 Mission

Andrew Howard, Charles Beichman, David Ciardi, Erik A. Petigura, Evan Sinukoff, Heather Knutson, Ian Crossfield, Ian Wong, Jessica Krick, Jessie Christiansen, John Livingston, Joshua E. Schlieder, Katherine Deck, Michael Werner, Mike Line, Thomas P. Greene, Varoujan Gorjian

arxiv:1603.01934 v1 · 2016-03-07 · 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{JIK2DDNNTK3UUIFUXISVJNKD3S}

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	2026-05-18T01:13:54.722698Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4a15a18dad9ab74a20b4ba2554b543dcb7bbf53c3e25eeef1aa65b3dceb82a63

Aliases

arxiv: 1603.01934 · arxiv_version: 1603.01934v1 · doi: 10.48550/arxiv.1603.01934 · pith_short_12: JIK2DDNNTK3U · pith_short_16: JIK2DDNNTK3UUIFU · pith_short_8: JIK2DDNN

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/JIK2DDNNTK3UUIFUXISVJNKD3S \
  | 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: 4a15a18dad9ab74a20b4ba2554b543dcb7bbf53c3e25eeef1aa65b3dceb82a63

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0804a61b326daf70eb6511d5429616e0d3cb80cf2fcfe6c2a32c57a1c7f2cac3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2016-03-07T04:53:29Z",
    "title_canon_sha256": "6c1e2905144c49dcc7bc00ab042ce84e86cfb1461ecc8cefe858832cd337946c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.01934",
    "kind": "arxiv",
    "version": 1
  }
}