Pith Number

pith:AITPSSU3

pith:2019:AITPSSU3BXH3KE7KQ6PFC3SB6Q

not attested not anchored not stored refs pending

The ultra-diffuse dwarf galaxies NGC 1052-DF2 and 1052-DF4 are in conflict with standard cosmology

Indranil Banik, Konstantin Grishunin, Moritz Haslbauer, Pavel Kroupa

arxiv:1909.04663 v1 · 2019-09-10 · astro-ph.GA · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AITPSSU3BXH3KE7KQ6PFC3SB6Q}

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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

The tidal features of the classical Milky Way satellites: Expected in MOND but inconsistent with cold dark matter models

Receipt and verification

First computed	2026-07-05T04:02:36.567781Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0226f94a9b0dcfb513ea879e516e41f40f0116405890a6da6360009831d4dd73

Aliases

arxiv: 1909.04663 · arxiv_version: 1909.04663v1 · doi: 10.48550/arxiv.1909.04663 · pith_short_12: AITPSSU3BXH3 · pith_short_16: AITPSSU3BXH3KE7K · pith_short_8: AITPSSU3

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/AITPSSU3BXH3KE7KQ6PFC3SB6Q \
  | 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: 0226f94a9b0dcfb513ea879e516e41f40f0116405890a6da6360009831d4dd73

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bfd811a4eea4db3d68cc3460e8b35400b97e24302f304aa633eca1262afb2ddf",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-09-10T18:00:00Z",
    "title_canon_sha256": "30f655fd7c2ca30c2753b9bdce7834b2da10abcd77faaca4b26bb317a54540eb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.04663",
    "kind": "arxiv",
    "version": 1
  }
}