Pith Number

pith:DPTQ5TIZ

pith:2015:DPTQ5TIZ77CZCCGULKDVKRXLSW

not attested not anchored not stored refs pending

The X-ray luminosity function of Active Galactic Nuclei in the redshift interval z=3-5

A. Georgakakis, A. Merloni, G. Mountrichas, I. D. McGreer, I. Georgantopoulos, J. Aird, J. Buchner, K. Koki, K. Nandra, L.-T. Hsu, M.-L. Menzel, M. Salvato, N. P. Ross, T. Dwelly, W. N. Brandt, Z. Liu

arxiv:1507.07558 v1 · 2015-07-27 · astro-ph.HE · 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{DPTQ5TIZ77CZCCGULKDVKRXLSW}

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	2026-05-18T01:33:42.137160Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1be70ecd19ffc59108d45a875546eb95949ae75dcf3241661e596c5a39ea5ccb

Aliases

arxiv: 1507.07558 · arxiv_version: 1507.07558v1 · doi: 10.48550/arxiv.1507.07558 · pith_short_12: DPTQ5TIZ77CZ · pith_short_16: DPTQ5TIZ77CZCCGU · pith_short_8: DPTQ5TIZ

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/DPTQ5TIZ77CZCCGULKDVKRXLSW \
  | 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: 1be70ecd19ffc59108d45a875546eb95949ae75dcf3241661e596c5a39ea5ccb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8aaebf2e97dc49d6d5fb9f0ef2a4eca400f84a167615605fa38d5e22957710f2",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2015-07-27T20:00:37Z",
    "title_canon_sha256": "94f3ad9f151ca1189e333f8ed840d59c4c57af79f41e32e1ff26e4a52750c54f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.07558",
    "kind": "arxiv",
    "version": 1
  }
}