Pith Number

pith:YFTLRSZU

pith:2003:YFTLRSZUJAVWYRQKEJQIUDCWUV

not attested not anchored not stored refs pending

Local Supermassive Black Holes, Relics of Active Galactic Nuclei and the X-ray Background

A. Marconi, G. Risaliti, L. K. Hunt, M. Salvati, R. Gilli, R. Maiolino

arxiv:astro-ph/0311619 v2 · 2003-11-28 · 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{YFTLRSZUJAVWYRQKEJQIUDCWUV}

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

Particle Acceleration, Coronal Neutrino Production, and the Diffuse Extragalactic Neutrino Background from Supermassive Black Holes

Receipt and verification

First computed	2026-07-04T15:20:12.888483Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c166b8cb34482b6c460a22608a0c56a57e8b175e7a26c5aefe6ffc1a79802524

Aliases

arxiv: astro-ph/0311619 · arxiv_version: astro-ph/0311619v2 · doi: 10.48550/arxiv.astro-ph/0311619 · pith_short_12: YFTLRSZUJAVW · pith_short_16: YFTLRSZUJAVWYRQK · pith_short_8: YFTLRSZU

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/YFTLRSZUJAVWYRQKEJQIUDCWUV \
  | 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: c166b8cb34482b6c460a22608a0c56a57e8b175e7a26c5aefe6ffc1a79802524

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "80d738fc84d792479e6a64ba5fba892c1500da6562371aff3892210dd337995c",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-11-28T13:50:31Z",
    "title_canon_sha256": "2747565834d700be818f6663f2ab45884e06d486c423f28797da2cc5d741658d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0311619",
    "kind": "arxiv",
    "version": 2
  }
}