Pith Number

pith:KOQYETU2

pith:2010:KOQYETU26ANU2F4QWNJX35UTEX

not attested not anchored not stored refs pending

Hard X-ray photon index as an indicator of bolometric correction in active galactic nuclei

Xin-Lin Zhou, Yong-Heng Zhao

arxiv:1008.2532 v2 · 2010-08-15 · 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{KOQYETU26ANU2F4QWNJX35UTEX}

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	2026-05-18T02:05:48.195116Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

53a1824e9af01b4d1790b3537df69325cbb83f25003314c81021dcf069cdf6ab

Aliases

arxiv: 1008.2532 · arxiv_version: 1008.2532v2 · doi: 10.48550/arxiv.1008.2532 · pith_short_12: KOQYETU26ANU · pith_short_16: KOQYETU26ANU2F4Q · pith_short_8: KOQYETU2

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/KOQYETU26ANU2F4QWNJX35UTEX \
  | 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: 53a1824e9af01b4d1790b3537df69325cbb83f25003314c81021dcf069cdf6ab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d78fc7b99437a8d1a984cb04369615333306fdc0f2efb36cbe9f83ab87b30b92",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-08-15T15:56:42Z",
    "title_canon_sha256": "0e4b66c46de02df524abd49a49debd90987b9eedb59467042f5b0191f23bad56"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.2532",
    "kind": "arxiv",
    "version": 2
  }
}