Pith Number

pith:HVO3ONXF

pith:2013:HVO3ONXF5XMINBN3ET4MPYGI5S

not attested not anchored not stored refs pending

The AMIGA sample of isolated galaxies XII. Revision of the isolation degree for AMIGA galaxies using the SDSS

D. Espada, G. Bergond, J. D. Santander-Vela, J.E. Ruiz, J. Sabater, J. Sulentic, L. Verdes-Montenegro, M. Argudo-Fern\'andez, M. Fern\'andez Lorenzo, S. Leon, S. S\'anchez-Exp\'osito, S. Verley

arxiv:1311.0856 v1 · 2013-11-04 · 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{HVO3ONXF5XMINBN3ET4MPYGI5S}

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	2026-05-18T03:08:04.683021Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3d5db736e5edd88685bb24f8c7e0c8ecb6682bcee3004b74c9cf3333f7725983

Aliases

arxiv: 1311.0856 · arxiv_version: 1311.0856v1 · doi: 10.48550/arxiv.1311.0856 · pith_short_12: HVO3ONXF5XMI · pith_short_16: HVO3ONXF5XMINBN3 · pith_short_8: HVO3ONXF

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/HVO3ONXF5XMINBN3ET4MPYGI5S \
  | 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: 3d5db736e5edd88685bb24f8c7e0c8ecb6682bcee3004b74c9cf3333f7725983

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "37cb180767a01d1a28c07124dc87ed987bd34c72db35d119e6422ebc5159a867",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-11-04T20:58:00Z",
    "title_canon_sha256": "082942fc9ce4558b1ec171baeddce56ea41d0fffe8badb91aec40f33ebdd0852"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.0856",
    "kind": "arxiv",
    "version": 1
  }
}