Pith Number

pith:T6PVVWNY

pith:2019:T6PVVWNYEWENTVZ5VHRSX7RLIV

not attested not anchored not stored refs pending

Accretion History of AGN II: Constraints on AGN Spectral Parameters using the Cosmic X-ray Background

Allison Kirkpatrick, Claudia M. Urry, Claudio Ricci, Ezequiel Treister, Nikhil Padmanabhan, Ryan Hickox, Stefano Marchesi, Tonima Tasnim Ananna

arxiv:1911.10706 v1 · 2019-11-25 · 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{T6PVVWNYEWENTVZ5VHRSX7RLIV}

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	2026-07-05T00:38:07.703342Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9f9f5ad9b82588d9d73da9e32bfe2b457172c7b7b0ccc018051e5d97f267c0ab

Aliases

arxiv: 1911.10706 · arxiv_version: 1911.10706v1 · doi: 10.48550/arxiv.1911.10706 · pith_short_12: T6PVVWNYEWEN · pith_short_16: T6PVVWNYEWENTVZ5 · pith_short_8: T6PVVWNY

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/T6PVVWNYEWENTVZ5VHRSX7RLIV \
  | 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: 9f9f5ad9b82588d9d73da9e32bfe2b457172c7b7b0ccc018051e5d97f267c0ab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9dc663b87913dfc5e161c065ebee80ae9ba6a92db195cef6977c5daf58fa3399",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-11-25T05:32:11Z",
    "title_canon_sha256": "19dba9ef9eb2375e41acf3149271b3d8a9235ee77a77c7c205d53d85df9e02c3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1911.10706",
    "kind": "arxiv",
    "version": 1
  }
}