Pith Number

pith:QSZWY6BS

pith:2011:QSZWY6BSFSQQTYO3MAYN7IOR23

not attested not anchored not stored refs pending

Experimental Design for the Gemini Planet Imager

Bruce Macintosh, Christian Marois, James McBride, James R. Graham, Lisa A. Poyneer, Sloane J. Wiktorowicz, Steven V. W. Beckwith

arxiv:1103.6085 v1 · 2011-03-31 · 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{QSZWY6BSFSQQTYO3MAYN7IOR23}

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	2026-05-18T03:15:57.980697Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

84b36c78322ca109e1db6030dfa1d1d6c0a2684385ab3012ac2c4c4e72bbe7b6

Aliases

arxiv: 1103.6085 · arxiv_version: 1103.6085v1 · doi: 10.48550/arxiv.1103.6085 · pith_short_12: QSZWY6BSFSQQ · pith_short_16: QSZWY6BSFSQQTYO3 · pith_short_8: QSZWY6BS

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/QSZWY6BSFSQQTYO3MAYN7IOR23 \
  | 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: 84b36c78322ca109e1db6030dfa1d1d6c0a2684385ab3012ac2c4c4e72bbe7b6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "67512e4709febec7770e601d89b84e639e158a4a186eb6851f7ffc2d63acdefc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2011-03-31T05:19:33Z",
    "title_canon_sha256": "5cb20846af6781f9da811fc5e8f95f8b7b6779e3ac333626291aa5656c09bea9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.6085",
    "kind": "arxiv",
    "version": 1
  }
}