Pith Number

pith:C4S46G5X

pith:2019:C4S46G5XUH6MAJDVDVKHVB6IK6

not attested not anchored not stored refs pending

Robust Identification of Active Galactic Nuclei through HST Optical Variability in GOODS-S: Comparison with the X-ray and mid-IR Selected Samples

A. Z. Bonanos, D. Hatzidimitriou, E. Pouliasis, G. Mountrichas, I. Bellas-Velidis, I. Georgantopoulos, K. Tsinganos, K. V. Sokolovsky, M. Yang, P. Gavras, V. Charmandaris, Z. T. Spetsieri

arxiv:1905.11995 v1 · 2019-05-28 · 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{C4S46G5XUH6MAJDVDVKHVB6IK6}

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	2026-05-17T23:44:37.384028Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1725cf1bb7a1fcc024751d547a87c857955465c55c219ec23add49773f402b03

Aliases

arxiv: 1905.11995 · arxiv_version: 1905.11995v1 · doi: 10.48550/arxiv.1905.11995 · pith_short_12: C4S46G5XUH6M · pith_short_16: C4S46G5XUH6MAJDV · pith_short_8: C4S46G5X

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/C4S46G5XUH6MAJDVDVKHVB6IK6 \
  | 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: 1725cf1bb7a1fcc024751d547a87c857955465c55c219ec23add49773f402b03

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a7d140d5d1c9bf6169a3424429f80411483e115b20201f15d4b643f97d70d8ba",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-05-28T18:00:01Z",
    "title_canon_sha256": "0b4a411c3bd9756748318e9cbff376208573e1fe6306581332d4a06d1e141795"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.11995",
    "kind": "arxiv",
    "version": 1
  }
}