Pith Number

pith:DKXBYRZH

pith:2018:DKXBYRZHRZERQ4TPOK2HGQFIR7

not attested not anchored not stored refs pending

Broadband spectral energy distributions of SDSS-selected quasars and of their host galaxies: intense activity at the onset of AGN feedback

Andrea Lapi, Carlo Baccigalupi, Federico Bianchini, Giulio Fabbian, Joaquin Gonzalez-Nuevo, Roberto Gilli

arxiv:1806.06516 v2 · 2018-06-18 · astro-ph.GA · 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{DKXBYRZHRZERQ4TPOK2HGQFIR7}

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	2026-05-17T23:53:51.214618Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1aae1c47278e4918726f72b47340a88fce2c926f284f26f9e5f90397f38cce04

Aliases

arxiv: 1806.06516 · arxiv_version: 1806.06516v2 · doi: 10.48550/arxiv.1806.06516 · pith_short_12: DKXBYRZHRZER · pith_short_16: DKXBYRZHRZERQ4TP · pith_short_8: DKXBYRZH

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/DKXBYRZHRZERQ4TPOK2HGQFIR7 \
  | 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: 1aae1c47278e4918726f72b47340a88fce2c926f284f26f9e5f90397f38cce04

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5b86a1e565698b3f891a689be4db1f8cd7a41e4566bfa82dc05e233c41427b64",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-06-18T06:58:37Z",
    "title_canon_sha256": "6a9164d80f88c86b77c2f89b3a74ee9ec8ee456996ae1b607925c5b26107dfa7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.06516",
    "kind": "arxiv",
    "version": 2
  }
}