Pith Number

pith:MWB2PRWQ

pith:2025:MWB2PRWQHUGEGBLDBSC7QKB3TZ

not attested not anchored not stored refs pending

LIGHTS. A robust technique to identify galaxy edges

Andr\'es Asensio Ramos, Carlos Marrero de la Rosa, Chen Yu Chuang, Dennis Zaritsky, Garreth Martin, Giulia Golini, Ignacio Ruiz Cejudo, Ignacio Trujillo, Javier Rom\'an, Mauro D'Onofrio, Minh Ngoc Le, Mireia Montes, Nafise Sedighi, Nushkia Chamba, Ouldouz Kaboud, Ra\'ul Infante Sainz, Richard Donnerstein, Samane Raji, Sepideh Eskandarlou, Sergio Guerra Arencibia, S. Zahra Hosseini ShahiSavandi, Zahra Sharbaf

arxiv:2507.01085 v2 · 2025-07-01 · 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{MWB2PRWQHUGEGBLDBSC7QKB3TZ}

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	2026-07-05T11:52:49.914687Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6583a7c6d03d0c4305630c85f8283b9e6f44bf44d30335aafabb1cf7b7a93dd7

Aliases

arxiv: 2507.01085 · arxiv_version: 2507.01085v2 · doi: 10.48550/arxiv.2507.01085 · pith_short_12: MWB2PRWQHUGE · pith_short_16: MWB2PRWQHUGEGBLD · pith_short_8: MWB2PRWQ

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/MWB2PRWQHUGEGBLDBSC7QKB3TZ \
  | 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: 6583a7c6d03d0c4305630c85f8283b9e6f44bf44d30335aafabb1cf7b7a93dd7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f105e61f7f0a1357d4266b79930c632284d218fd1aa3d59a3421870b87f7be76",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2025-07-01T18:00:00Z",
    "title_canon_sha256": "f134266f56b645e0df91a06d547be1c9b1e642b2996b96aa0627a416c34731cd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.01085",
    "kind": "arxiv",
    "version": 2
  }
}