Pith Number

pith:VQ7GOG2E

pith:2025:VQ7GOG2EBNGYZUQUO6XS5ZR3KH

not attested not anchored not stored refs pending

DELVE-DEEP Survey: The Faint Satellite System of NGC 55

Alex Drlica-Wagner, Alex H. Riley, Alistair R. Walker, Amandine Doliva-Dolinsky, Andrew B. Pace, Astha Chaturvedi, Bur\c{c}in Mutlu-Pakdil, Catherine E. Fielder, Clara E. Mart\'inez-V\'azquez, Clecio R. Bom, David J. Sand, Denija Crnojevi\'c, Erik J. Tollerud, Gustavo E. Medina, Guy S. Stringfellow, Jeffrey L. Carlin, Joanna D. Sakowska, Jonah Medoff, Julio A. Carballo-Bello, Kathy Vivas, Mahdieh Navabi, Monika Adam\'ow, Nitya Kallivayalil, Noelia E. D. No\"el, Peter S. Ferguson, William Cerny, Yumi Choi

arxiv:2504.18645 v2 · 2025-04-25 · 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{VQ7GOG2EBNGYZUQUO6XS5ZR3KH}

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	2026-07-05T12:03:47.991199Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ac3e671b440b4d8cd21477af2ee63b51f89f8fd481ee9884fc8bf60ffb74bc08

Aliases

arxiv: 2504.18645 · arxiv_version: 2504.18645v2 · doi: 10.48550/arxiv.2504.18645 · pith_short_12: VQ7GOG2EBNGY · pith_short_16: VQ7GOG2EBNGYZUQU · pith_short_8: VQ7GOG2E

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/VQ7GOG2EBNGYZUQUO6XS5ZR3KH \
  | 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: ac3e671b440b4d8cd21477af2ee63b51f89f8fd481ee9884fc8bf60ffb74bc08

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1c3361697d0cd4db7edab51e0dc13dcafd9809b90669c8a85a11f1dddb8600a4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2025-04-25T18:47:46Z",
    "title_canon_sha256": "8799f67c7d53a6882a2040c6d3e77635ad31c92ce338fb1be8befed892b2239f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.18645",
    "kind": "arxiv",
    "version": 2
  }
}