Pith Number

pith:GVGOHMA6

pith:2026:GVGOHMA6KM44WCVPKJPOXI3FNO

not attested not anchored not stored refs pending

Dark matter-deficient twins: FCC 224 and FCC 240 as possible analogues of NGC 1052-DF2 and DF4

Aaron J. Romanowsky, Duncan A. Forbes, Maria Luisa Buzzo, Michael Hilker, Pieter van Dokkum, Yimeng Tang

arxiv:2605.24099 v1 · 2026-05-22 · 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{GVGOHMA6KM44WCVPKJPOXI3FNO}

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	2026-05-26T01:02:46.119825Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

354ce3b01e5339cb0aaf525eeba3656b80bcd7a64f90dc323dfb593186651b3a

Aliases

arxiv: 2605.24099 · arxiv_version: 2605.24099v1 · doi: 10.48550/arxiv.2605.24099 · pith_short_12: GVGOHMA6KM44 · pith_short_16: GVGOHMA6KM44WCVP · pith_short_8: GVGOHMA6

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/GVGOHMA6KM44WCVPKJPOXI3FNO \
  | 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: 354ce3b01e5339cb0aaf525eeba3656b80bcd7a64f90dc323dfb593186651b3a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a18f70ead655b05c1b338de9ce66ead91442fc6cc64e5901a9cfda04c7571cd6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2026-05-22T18:05:43Z",
    "title_canon_sha256": "f73bfc2137339673e12831dff15d9b151f3ed4a2ed3f219de5d94abaee944f08"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.24099",
    "kind": "arxiv",
    "version": 1
  }
}