Pith Number

pith:542SDW62

pith:2011:542SDW62JAUQFKKDSPM5QXFT7J

not attested not anchored not stored refs pending

A Southern Sky and Galactic Plane Survey for Bright Kuiper Belt Objects

Andrzej Udalski (Warsaw University), Chad Trujillo (Gemini), Grzegorz Pietrzynski, Igor Soszynski, Krzysztof Ulaczyk, Marcin Kubiak, Michal Szyma, Radoslaw Poleski, Scott Sheppard (Carnegie Institution of Washington)

arxiv:1107.5309 v1 · 2011-07-26 · astro-ph.EP · astro-ph.IM · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{542SDW62JAUQFKKDSPM5QXFT7J}

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	2026-05-18T02:01:09.427603Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ef3521dbda482902a94393d9d85cb3fa629338534d9aa5e7f55686bdeedfa104

Aliases

arxiv: 1107.5309 · arxiv_version: 1107.5309v1 · doi: 10.48550/arxiv.1107.5309 · pith_short_12: 542SDW62JAUQ · pith_short_16: 542SDW62JAUQFKKD · pith_short_8: 542SDW62

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/542SDW62JAUQFKKDSPM5QXFT7J \
  | 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: ef3521dbda482902a94393d9d85cb3fa629338534d9aa5e7f55686bdeedfa104

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8cc739fc32ae485b0fb2d25df929a400001c86b25e1b9c763b5551f5332e6156",
    "cross_cats_sorted": [
      "astro-ph.IM",
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2011-07-26T20:00:03Z",
    "title_canon_sha256": "666b13955b9840a899bfe5266661d3ce44dd44b07dca7eb38a5ba7c4b2e96e62"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.5309",
    "kind": "arxiv",
    "version": 1
  }
}