Pith Number

pith:AGJ7CYJD

pith:2018:AGJ7CYJDY5HJ2SPA353DVMRRAF

not attested not anchored not stored refs pending

X-ray Surface Brightness Profiles of Optically Selected Active Galactic Nuclei: Comparison with X-ray AGN

(2) University of Wyoming, 3), (3) Sul Ross State University, (4) University of Pittsburgh, 5), (5) PITT-PACC, Anirban Bhattacharjee (2, Jeffrey A. Newman (4, Renbin Yan (6) ((1) Presidency University, Sagnick Mukherjee (1), Suchetana Chatterjee (1), University of Pittsburgh (6) University of Kentucky)

arxiv:1812.08199 v2 · 2018-12-19 · astro-ph.GA · 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{AGJ7CYJDY5HJ2SPA353DVMRRAF}

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	2026-05-17T23:54:31.402490Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0193f16123c74e9d49e0df763ab231016fdca9180e4c10fc32748c8f9e129fa9

Aliases

arxiv: 1812.08199 · arxiv_version: 1812.08199v2 · doi: 10.48550/arxiv.1812.08199 · pith_short_12: AGJ7CYJDY5HJ · pith_short_16: AGJ7CYJDY5HJ2SPA · pith_short_8: AGJ7CYJD

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/AGJ7CYJDY5HJ2SPA353DVMRRAF \
  | 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: 0193f16123c74e9d49e0df763ab231016fdca9180e4c10fc32748c8f9e129fa9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2781c5b644559c1889c9987875f1dedcbfd69391191fb8b8b263040bf6808ac7",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-12-19T19:15:28Z",
    "title_canon_sha256": "c627636076735ea79c74a19a319c9518f218e42c79cecd93326101a8da26a799"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.08199",
    "kind": "arxiv",
    "version": 2
  }
}