Pith Number

pith:MXHLADAB

pith:2008:MXHLADABWUDBBV2POWRYZKOOQ4

not attested not anchored not stored refs pending

The long-term X-ray variability properties of AGN in the Lockman Hole region

A. Markowitz, D. Athanasiadis, E. Chatzopoulos, I. E. Papadakis, I. Georgantopoulos

arxiv:0805.2851 v1 · 2008-05-19 · astro-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MXHLADABWUDBBV2POWRYZKOOQ4}

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	2026-05-18T02:15:52.619049Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

65ceb00c01b50610d74f75a38ca9ce87226a57dcfff69466818d3b7ad665ae6c

Aliases

arxiv: 0805.2851 · arxiv_version: 0805.2851v1 · doi: 10.48550/arxiv.0805.2851 · pith_short_12: MXHLADABWUDB · pith_short_16: MXHLADABWUDBBV2P · pith_short_8: MXHLADAB

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/MXHLADABWUDBBV2POWRYZKOOQ4 \
  | 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: 65ceb00c01b50610d74f75a38ca9ce87226a57dcfff69466818d3b7ad665ae6c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c212350efa814b3934517a233d9ec070ddf97a8943c494b27ec796fcf6cc6528",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-05-19T12:41:07Z",
    "title_canon_sha256": "a0e251310a1c92753f788969675e8087b82fe73c2cabadf9282202a16fa94920"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0805.2851",
    "kind": "arxiv",
    "version": 1
  }
}