Pith Number

pith:QAQ2Y7LX

pith:2014:QAQ2Y7LXMXY7K6WQB7Y2PMAMAU

not attested not anchored not stored refs pending

Gemini Planet Imager integration to the Gemini South telescope software environment

Andrew Cardwell, Andrew Serio, Bruce Macintosh, Carlos Quiroz, Claudia Winge, Dmitry Savransky, Fredrik T. Rantakyr\"o, Gaston Gausachs, Javier Luhrs, Jeffrey Chilcote, Jennifer Dunn, Kayla Hardie, Leslie Saddlemyer, Lisa Poyneer, Markus Hartung, Marshall D. Perrin, Naru Sadakuni, Pascale Hibon, Ramon Galvez, Sandrine Thomas, Stephen Goodsell

arxiv:1407.2311 v1 · 2014-07-09 · astro-ph.IM · 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{QAQ2Y7LXMXY7K6WQB7Y2PMAMAU}

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	2026-05-18T01:42:40.507174Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8021ac7d7765f1f57ad00ff1a7b00c0532eb53e68b8808183de7ce858cb7064b

Aliases

arxiv: 1407.2311 · arxiv_version: 1407.2311v1 · doi: 10.48550/arxiv.1407.2311 · pith_short_12: QAQ2Y7LXMXY7 · pith_short_16: QAQ2Y7LXMXY7K6WQ · pith_short_8: QAQ2Y7LX

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/QAQ2Y7LXMXY7K6WQB7Y2PMAMAU \
  | 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: 8021ac7d7765f1f57ad00ff1a7b00c0532eb53e68b8808183de7ce858cb7064b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d6a4e3ebdacd6cd65bda8bcb762ac5b30af357ba2f34c87b333bc507e2b85f24",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2014-07-09T00:02:33Z",
    "title_canon_sha256": "d2f5c0e1b5d798069b2302f335f771223d88ad5fefa0bb08b9d700804ca29e7a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.2311",
    "kind": "arxiv",
    "version": 1
  }
}