Pith Number

pith:HCNVE5WH

pith:2019:HCNVE5WHLJ3MFPXFE6E75VHJP3

not attested not anchored not stored refs pending

The Spectral Energy Distributions of Active Galactic Nuclei

C. Ricci, H. Landt, K. J. Duncan, M. J. I. Brown, M. Kirk, N. Kamraj

arxiv:1902.07595 v1 · 2019-02-19 · 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{HCNVE5WHLJ3MFPXFE6E75VHJP3}

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	2026-07-05T01:10:25.128355Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

389b5276c75a76c2bee52789fed4e97ef5189e23ab20e632192e5121bc526543

Aliases

arxiv: 1902.07595 · arxiv_version: 1902.07595v1 · doi: 10.48550/arxiv.1902.07595 · pith_short_12: HCNVE5WHLJ3M · pith_short_16: HCNVE5WHLJ3MFPXF · pith_short_8: HCNVE5WH

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/HCNVE5WHLJ3MFPXFE6E75VHJP3 \
  | 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: 389b5276c75a76c2bee52789fed4e97ef5189e23ab20e632192e5121bc526543

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cca402c64a920947ab12520d3f47e3c0c30cb7898062a2c3a791022b2c6e18a6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-02-19T02:14:40Z",
    "title_canon_sha256": "28b276e42aaf4bb10445acf1121381c1b070d675adf33c22830591c74c440b2a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.07595",
    "kind": "arxiv",
    "version": 1
  }
}