Pith Number

pith:6ABVCNNT

pith:2025:6ABVCNNT5RD5KHXDZH2L3B42E6

not attested not anchored not stored refs pending

Are Local Group Dwarf Spheroidal Galaxies the First Safe Planet-hosting Environments?

Leonardo Testi, Stefania Salvadori, Stefano Ciabattini

arxiv:2509.01669 v1 · 2025-09-01 · astro-ph.GA · astro-ph.EP · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6ABVCNNT5RD5KHXDZH2L3B42E6}

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	2026-07-05T12:03:05.793831Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f0035135b3ec47d51ee3c9f4bd879a278eb996945072b43a8533d66b689e2b2b

Aliases

arxiv: 2509.01669 · arxiv_version: 2509.01669v1 · doi: 10.48550/arxiv.2509.01669 · pith_short_12: 6ABVCNNT5RD5 · pith_short_16: 6ABVCNNT5RD5KHXD · pith_short_8: 6ABVCNNT

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/6ABVCNNT5RD5KHXDZH2L3B42E6 \
  | 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: f0035135b3ec47d51ee3c9f4bd879a278eb996945072b43a8533d66b689e2b2b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "49899935b42770c3a78ede6c614fb293bf306812d9b08d8d6988ba36a7a1ab17",
    "cross_cats_sorted": [
      "astro-ph.EP",
      "astro-ph.SR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2025-09-01T18:00:01Z",
    "title_canon_sha256": "8c8819dd3d51e237bdccd6ce120272bdf039d8758e5bba8a1d735e4a923d64c5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.01669",
    "kind": "arxiv",
    "version": 1
  }
}