Pith Number

pith:FMTQBMPU

pith:2015:FMTQBMPUDUQBPC4VJCK3YCJZW2

not attested not anchored not stored refs pending

Towards a census of super-compact massive galaxies in the Kilo Degree Survey

C. Tortora, E. Puddu, F. Getman, F. La Barbera, G. Longo, J. P. McFarland, J. T. A. de Jong, K.H. Kuijken, L. Grado, M. Brescia, M. Capaccioli, M. Radovich, N.R. Napolitano, N. Roy, S. Cavuoti

arxiv:1507.00731 v2 · 2015-07-02 · 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{FMTQBMPUDUQBPC4VJCK3YCJZW2}

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	2026-05-18T01:20:11.661219Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2b2700b1f41d20178b954895bc0939b6baccf97b570519ed701fe7935bc7c5b1

Aliases

arxiv: 1507.00731 · arxiv_version: 1507.00731v2 · doi: 10.48550/arxiv.1507.00731 · pith_short_12: FMTQBMPUDUQB · pith_short_16: FMTQBMPUDUQBPC4V · pith_short_8: FMTQBMPU

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/FMTQBMPUDUQBPC4VJCK3YCJZW2 \
  | 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: 2b2700b1f41d20178b954895bc0939b6baccf97b570519ed701fe7935bc7c5b1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1de56ef87616eb654de13893ce726543f594c29618e17462c93cea0a2b8ace63",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-07-02T20:00:46Z",
    "title_canon_sha256": "84afe896f609b30d526d313536f83838cd559d345182c67a7730ffe7051b78f2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.00731",
    "kind": "arxiv",
    "version": 2
  }
}