Pith Number

pith:Q7IMDZFJ

pith:2026:Q7IMDZFJXL2TWDZJAEVA2W2DOQ

not attested not anchored not stored refs pending

The eROSITA X-ray luminosity function of active galactic nuclei

A. Georgakakis, A. Merloni, B. Laloux, B. Trakhtenbrot, C. Andonie, C. Aydar, C. Ricci, D. P. Schneider, E. Bulbul, E. Kyritsis, J. Aird, J. Buchner, J. Weller, K. Nandra, M. Brusa, M. Kluge, M. Salvato, P. Baldini, P. Boorman, P. Chakraborty, R. J. Assef, R. Shirley, S. F. Anderson, T. Dwelly, W. N. Brandt, W. Roster

arxiv:2607.27887 v1 · 2026-07-30 · 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{Q7IMDZFJXL2TWDZJAEVA2W2DOQ}

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	2026-07-31T01:34:34.511417Z
Builder	pith-number-builder-2026-05-17-v1
Signature	unsigned_v0
Schema	pith-number/v1.0

Canonical hash

87d0c1e4a9baf53b0f29012a0d5b437421b499d81a458c8b1ac326441deaa0e8

Aliases

arxiv: 2607.27887 · arxiv_version: 2607.27887v1 · doi: 10.48550/arxiv.2607.27887 · pith_short_12: Q7IMDZFJXL2T · pith_short_16: Q7IMDZFJXL2TWDZJ · pith_short_8: Q7IMDZFJ

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/Q7IMDZFJXL2TWDZJAEVA2W2DOQ \
  | 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: 87d0c1e4a9baf53b0f29012a0d5b437421b499d81a458c8b1ac326441deaa0e8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fd47c20bd80cb3e05cc03c7045a55c80e78a3119b60823dd778a6acf24ba1722",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2026-07-30T09:02:23Z",
    "title_canon_sha256": "049f603297d3bdf6e31e896c30b57989317d9f8b4a564a2a5d09f5de9e16d1e6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.27887",
    "kind": "arxiv",
    "version": 1
  }
}