Pith Number

pith:S2KI4M2L

pith:2019:S2KI4M2LSZP6J2O7KIL76STTSF

not attested not anchored not stored refs pending

Spotting the differences between active and non-active twin galaxies on kpc-scales. A pilot study

2), (2) Departamento de Astrof\'isica, (3) Instituto de Astronom\'ia, (4) Departamento de F\'isica Te\'orica, (5) Instituto de Astrof\'isica de Andaluc\'ia (CSIC)), B. Garcia-Lorenzo (1, C. Ramos Almeida (1, I. del Moral-Castro (1, I. Marquez (5), J.Falcon-Barroso (1, J.Masegosa (5) ((1) Instituto de Astrofisica de Canarias, P.Sanchez-Blazquez (4), S.F.Sanchez (3), T. Ruiz-Lara (1, Universidad Aut\'onoma de Madrid, Universidad de La Laguna, Universidad Nacional Aut\'onoma de M\'exico

arxiv:1903.04818 v1 · 2019-03-12 · 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{S2KI4M2LSZP6J2O7KIL76STTSF}

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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.

Receipt and verification

First computed	2026-05-17T23:51:28.621846Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

96948e334b965fe4e9df5217ff4a739164481e3a787cce4527b5ff33ae613313

Aliases

arxiv: 1903.04818 · arxiv_version: 1903.04818v1 · doi: 10.48550/arxiv.1903.04818 · pith_short_12: S2KI4M2LSZP6 · pith_short_16: S2KI4M2LSZP6J2O7 · pith_short_8: S2KI4M2L

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/S2KI4M2LSZP6J2O7KIL76STTSF \
  | 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: 96948e334b965fe4e9df5217ff4a739164481e3a787cce4527b5ff33ae613313

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2a92205a3ef0ee12d549ec6ecf6babb5346872e6c7f049cfc23f47010659126e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-03-12T10:21:56Z",
    "title_canon_sha256": "e21fc1b5b26d633db52e5a667e54e0bf81aca8323f5687277eadc093b3157ac6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.04818",
    "kind": "arxiv",
    "version": 1
  }
}