Pith Number

pith:6RIHUMYM

pith:2025:6RIHUMYM54S5MH2R2EV3MU5S6E

not attested not anchored not stored refs pending

Leo I: the classical dwarf spheroidal galaxy with the highest dark-matter density

A. Della Croce, C. Nipoti, F. Calura, R. Pascale

arxiv:2506.13847 v2 · 2025-06-16 · 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{6RIHUMYM54S5MH2R2EV3MU5S6E}

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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.

Cited by

1 paper in Pith

Dwarf Galaxy Constraints on Interacting Fermionic Dark Matter

Receipt and verification

First computed	2026-07-05T11:52:48.821975Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f4507a330cef25d61f51d12bb653b2f13fa7fc61b9e7fa56a94d5f095645081e

Aliases

arxiv: 2506.13847 · arxiv_version: 2506.13847v2 · doi: 10.48550/arxiv.2506.13847 · pith_short_12: 6RIHUMYM54S5 · pith_short_16: 6RIHUMYM54S5MH2R · pith_short_8: 6RIHUMYM

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/6RIHUMYM54S5MH2R2EV3MU5S6E \
  | 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: f4507a330cef25d61f51d12bb653b2f13fa7fc61b9e7fa56a94d5f095645081e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "16ac584f270910c5543ade099c2fa773327195eb964ebc34c0ac81c1faa2cf1a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2025-06-16T18:00:00Z",
    "title_canon_sha256": "ecb2bf428593128e1df723593835c3289ef4797eddf4cb87887676150f52f17e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.13847",
    "kind": "arxiv",
    "version": 2
  }
}