Pith Number

pith:4JZQGFV2

pith:2026:4JZQGFV2HBUSFNIXW3JTQGA7NP

not attested not anchored not stored refs pending

Deep Imaging of Grus II and Horologium II: Structure and Extent of Two Ultra-Faint Milky Way Satellites

A. B. Pace, A. H. Riley, Amandine Doliva-Dolinsky, Anirudh Chiti, A. P. Ji, Bur\c{c}in Mutlu-Pakdil, C. E. Mart\'inez-V\'azquez, David J. Sand, D. Crnojevi\'c, Deepthi S. Prabhu, DELVE collaborations), Dennis Zaritsky, D. L. Nidever, G. E. Medina, G. Limberg, Guinevere Herron, Guy S. Stringfellow, J. A. Carballo-Bello, Jaclyn Jensen, J. L. Carlin, Kristine Spekkens, Laura Congreve Hunter, Michael G. Jones, M. Navabi, N. E. D. No\"el (MAGIC, Nitya Kallivayalil, Paul Bennet, P. Massana, Quinn O. Casey, Sasha N. Campana, V. M. Placco, W. Cerny, Y. Choi

arxiv:2606.25058 v1 · 2026-06-23 · 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{4JZQGFV2HBUSFNIXW3JTQGA7NP}

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	2026-06-25T00:18:16.604176Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e2730316ba386922b517b6d338181f6bc37554c08b4e9254c034db4ee0a7221d

Aliases

arxiv: 2606.25058 · arxiv_version: 2606.25058v1 · doi: 10.48550/arxiv.2606.25058 · pith_short_12: 4JZQGFV2HBUS · pith_short_16: 4JZQGFV2HBUSFNIX · pith_short_8: 4JZQGFV2

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/4JZQGFV2HBUSFNIXW3JTQGA7NP \
  | 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: e2730316ba386922b517b6d338181f6bc37554c08b4e9254c034db4ee0a7221d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f66246b2693400ffd3d8eab80c5a990f452c5ed1009409acc137d3c032eeb2ba",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2026-06-23T18:12:43Z",
    "title_canon_sha256": "048a126b4c3804b0c7431ea4ded1b718ff93d5c01cc91c06cb2dfc32a58db432"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.25058",
    "kind": "arxiv",
    "version": 1
  }
}