Pith Number

pith:NO5K7QPB

pith:2017:NO5K7QPBQAHJ3H7T3FYSX23HIV

not attested not anchored not stored refs pending

Fraction of the X-ray selected AGNs with optical emission lines in galaxy groups

2), 2. Changzhou Univ., 3) (1. Nanjing Normal Univ., 3. Qingdao Univ. of Science, Feng Li (1, Pengfei Yan (1, Qirong Yuan (1), Technology), Weihao Bian (1), Xi Chen (1)

arxiv:1705.05639 v1 · 2017-05-16 · 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{NO5K7QPBQAHJ3H7T3FYSX23HIV}

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	2026-05-18T00:44:20.587828Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6bbaafc1e1800e9d9ff3d9712beb67455c57bc314abc7e1b3e2be18c5dca5f1a

Aliases

arxiv: 1705.05639 · arxiv_version: 1705.05639v1 · doi: 10.48550/arxiv.1705.05639 · pith_short_12: NO5K7QPBQAHJ · pith_short_16: NO5K7QPBQAHJ3H7T · pith_short_8: NO5K7QPB

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/NO5K7QPBQAHJ3H7T3FYSX23HIV \
  | 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: 6bbaafc1e1800e9d9ff3d9712beb67455c57bc314abc7e1b3e2be18c5dca5f1a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "43f2545b4341fe279a5d1dd88c036f06975d118e82c6ad700b99a0059e9bf42b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-05-16T10:58:35Z",
    "title_canon_sha256": "53602308004d9b064609e6d8fecc0c913a2e50f9d957c31cda314998cee11d8e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.05639",
    "kind": "arxiv",
    "version": 1
  }
}