Pith Number

pith:G23OURIH

pith:2019:G23OURIHRZ3B3R5D4P6FQCHMQM

not attested not anchored not stored refs pending

The TRGB distance to the second galaxy "missing dark matter". Evidence for two groups of galaxies at 13.5 and 19 Mpc in the line of sight of NGC1052

Ignacio Trujillo, Matteo Monelli

arxiv:1907.03761 v1 · 2019-07-08 · 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{G23OURIHRZ3B3R5D4P6FQCHMQM}

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.

Cited by

1 paper in Pith

Modified Gravity Theories in Light of the Anomalous Velocity Dispersion of NGC1052-DF2

Receipt and verification

First computed	2026-07-04T23:50:20.754430Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

36b6ea45078e761dc7a3e3fc5808ec8326ad6b7acc70736649d027c633c3b3db

Aliases

arxiv: 1907.03761 · arxiv_version: 1907.03761v1 · doi: 10.48550/arxiv.1907.03761 · pith_short_12: G23OURIHRZ3B · pith_short_16: G23OURIHRZ3B3R5D · pith_short_8: G23OURIH

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/G23OURIHRZ3B3R5D4P6FQCHMQM \
  | 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: 36b6ea45078e761dc7a3e3fc5808ec8326ad6b7acc70736649d027c633c3b3db

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "96efd2cb04690ce094baec212aa4c929be230ea66fa3a3b550fb6d8840363ec8",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-07-08T18:00:01Z",
    "title_canon_sha256": "63806273b7a4f2a259870571d8a5ac44fe05170347f882862e5505116a6a0f8c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.03761",
    "kind": "arxiv",
    "version": 1
  }
}