Pith Number

pith:QMPOWTLC

pith:2026:QMPOWTLCGIYVGHCZNI2SX72QDO

not attested not anchored not stored refs pending

Discovery of the Distant, Ultra-Faint Milky Way Satellite Aquarius IV with the Vera C. Rubin Observatory Early Data Preview 2

Aashay Pai, Alexander P. Ji, Alex Drlica-Wagner, Andrew B. Pace, Bur\c{c}in Mutlu-Pakdil, Chin Yi Tan, Denija Crnojevi\'c, Guilherme Limberg, Gustavo E. Medina, Guy S. Stringfellow, Jeffrey L. Carlin, Joanna D. Sakowska, Marla Geha, Nora Shipp, Peter S. Ferguson, Pol Massana, Sasha Campana, Sidney Mau, William Cerny

arxiv:2608.02601 v1 · 2026-08-03 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QMPOWTLCGIYVGHCZNI2SX72QDO}

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	2026-08-04T02:44:22.788672Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

831eeb4d623231531c596a352bff501b9506339ba0b19ac19751c14145ba06fc

Aliases

arxiv: 2608.02601 · arxiv_version: 2608.02601v1 · doi: 10.48550/arxiv.2608.02601 · pith_short_12: QMPOWTLCGIYV · pith_short_16: QMPOWTLCGIYVGHCZ · pith_short_8: QMPOWTLC

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/QMPOWTLCGIYVGHCZNI2SX72QDO \
  | 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: 831eeb4d623231531c596a352bff501b9506339ba0b19ac19751c14145ba06fc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ac01fe26915b4431b19161d1a5b52cd7c196818de20073a44dc78f55af4f7526",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2026-08-03T17:59:31Z",
    "title_canon_sha256": "6ad7c3de0208e459ba20eadca2cd30d7ed8c7d50691457de8d8570ee0b56c58b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.02601",
    "kind": "arxiv",
    "version": 1
  }
}