Pith Number

pith:UFRKZSNT

pith:2024:UFRKZSNTNW6THAC4FI6NFCF2T3

not attested not anchored not stored refs pending

An X-ray Census of Active Galactic Nuclei in the Virgo and Fornax Clusters of Galaxies with SRG/eROSITA

Meicun Hou, Zhensong Hu, Zhiyuan Li

arxiv:2402.07275 v2 · 2024-02-11 · 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{UFRKZSNTNW6THAC4FI6NFCF2T3}

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	2026-07-05T08:07:14.379144Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a162acc9b36dbd33805c2a3cd288ba9ec8e80351c7b6188c61161ed5817c3d16

Aliases

arxiv: 2402.07275 · arxiv_version: 2402.07275v2 · doi: 10.48550/arxiv.2402.07275 · pith_short_12: UFRKZSNTNW6T · pith_short_16: UFRKZSNTNW6THAC4 · pith_short_8: UFRKZSNT

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/UFRKZSNTNW6THAC4FI6NFCF2T3 \
  | 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: a162acc9b36dbd33805c2a3cd288ba9ec8e80351c7b6188c61161ed5817c3d16

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4fbc7caddb64bcefef71d9c22d7c3465893f7c1a49710d9b6192fd7deb48ff95",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2024-02-11T18:37:27Z",
    "title_canon_sha256": "68bfce4fe1a238353a10dd28e010d789f62dd544d3601f591f982c8b7130645e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2402.07275",
    "kind": "arxiv",
    "version": 2
  }
}