Pith Number

pith:XPX4ZU2C

pith:2025:XPX4ZU2CXFUTTG55KCNBW5CYYO

not attested not anchored not stored refs pending

The Morphology of Dwarf Galaxies Hosting Variable Active Galactic Nuclei

Erin Kimbro, Guy Worthey, Jenny Greene, Marla Geha, Vivienne Baldassare

arxiv:2502.02751 v1 · 2025-02-04 · 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{XPX4ZU2CXFUTTG55KCNBW5CYYO}

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	2026-07-05T10:09:54.676473Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bbefccd342b969399bbd509a1b7458c3aa181c910523a4f2c65a0905f2745615

Aliases

arxiv: 2502.02751 · arxiv_version: 2502.02751v1 · doi: 10.48550/arxiv.2502.02751 · pith_short_12: XPX4ZU2CXFUT · pith_short_16: XPX4ZU2CXFUTTG55 · pith_short_8: XPX4ZU2C

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/XPX4ZU2CXFUTTG55KCNBW5CYYO \
  | 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: bbefccd342b969399bbd509a1b7458c3aa181c910523a4f2c65a0905f2745615

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8649b184347f57e0cebba1a5964e2192d450165702813b11ecb2d6d155d1768b",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2025-02-04T22:37:51Z",
    "title_canon_sha256": "7586d1cc5119c969fd8af0047383c2a5bf5abbc78478aa0b96b63b6a79cd7f87"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.02751",
    "kind": "arxiv",
    "version": 1
  }
}