Pith Number

pith:TZVFZZBV

pith:2013:TZVFZZBV7QDOIBOAANY6RU5KTK

not attested not anchored not stored refs pending

A statistical relation between the X-ray spectral index and Eddington ratio of active galactic nuclei in deep surveys

A. Bongiorno, A. Comastri, A. Del Moro, A. Doi, C. Steinhardt, D. B. Sanders, D. M. Alexander, D. Masters, E. Lusso, E. S. Laird, E. Treister, F. Civano, G. Hasinger, G. Lanzuisi, G. Zamorani, J. D. Silverman, J. Kartaltepe, K. Matsuoka, K. Nandra, K. Ohta, K. Schawinski, L. C. Ho, M. Akiyama, M. Brightman, M. Brusa, M. Elvis, M. Mignoli, M. Salvato, M. Schramm, O. Shemmer, P. Capak, T. Nagao, V. Mainieri, W. N. Brandt, Y. Taniguchi, Y. Ueda

arxiv:1305.3917 v1 · 2013-05-16 · astro-ph.HE · 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{TZVFZZBV7QDOIBOAANY6RU5KTK}

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.

Cited by

1 paper in Pith

The emergence of X-ray emission lines during relativistic radio-jet formation in the changing-look active galactic nucleus 1ES 1927+654

Receipt and verification

First computed	2026-05-18T01:49:49.554823Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9e6a5ce435fc06e405c00371e8d3aa9aa94361c6674a2c9dfab27caa91290323

Aliases

arxiv: 1305.3917 · arxiv_version: 1305.3917v1 · doi: 10.48550/arxiv.1305.3917 · pith_short_12: TZVFZZBV7QDO · pith_short_16: TZVFZZBV7QDOIBOA · pith_short_8: TZVFZZBV

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/TZVFZZBV7QDOIBOAANY6RU5KTK \
  | 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: 9e6a5ce435fc06e405c00371e8d3aa9aa94361c6674a2c9dfab27caa91290323

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b0074b1bf937fa7b7169b6af3dc12072d31822221ecfa9d08cb8ce99761b35f6",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-05-16T20:00:03Z",
    "title_canon_sha256": "686f65ce3398d914562cb3c1a014426c88f437e96e650b1f6c6afaf355346b70"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.3917",
    "kind": "arxiv",
    "version": 1
  }
}