Pith Number

pith:KCND4VRC

pith:2014:KCND4VRCIMKR75SZFK47SM734U

not attested not anchored not stored refs pending

Gemini Planet Imager Observational Calibrations VIII: Characterization and Role of Satellite Spots

Abhijith Rajan, Alexandra Z. Greenbaum, Anand Sivaramakrishnan, Andrew Cardwell, Ben R. Oppenheimer, Christian Marois, Dmitry Savransky, Fredrik T. Rantakyr\"o, James R. Graham, Jason J. Wang, Jennifer Patience, Joanna Bulger, Kimberly Ward-Duong, Laurent Pueyo, Marshall D. Perrin, Naru Sadakuni, Pascale Hibon, Patrick J. Ingraham, Paul Kalas, Robert J. De Rosa, Sandrine J. Thomas, Stephen Goodsell, with the GPI team

arxiv:1407.2308 v1 · 2014-07-09 · astro-ph.IM · astro-ph.EP

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

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	2026-05-18T01:42:40.531330Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

509a3e562243151ff6592ab9f933fbe52980aa472f40eac98da5f1667fc56fe3

Aliases

arxiv: 1407.2308 · arxiv_version: 1407.2308v1 · doi: 10.48550/arxiv.1407.2308 · pith_short_12: KCND4VRCIMKR · pith_short_16: KCND4VRCIMKR75SZ · pith_short_8: KCND4VRC

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/KCND4VRCIMKR75SZFK47SM734U \
  | 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: 509a3e562243151ff6592ab9f933fbe52980aa472f40eac98da5f1667fc56fe3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fa93636cff7fa6953002a9b5a2675634282a36ee8e52045d8f3d27bdd581c3a1",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2014-07-09T00:02:15Z",
    "title_canon_sha256": "b0cf226608a118f333ee37f6b925b50b26a1738853a89d461c175e91b079b7d8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.2308",
    "kind": "arxiv",
    "version": 1
  }
}