Pith Number

pith:AKX7IJUA

pith:2020:AKX7IJUA6K3TNNV4EMPYUGHDM3

not attested not anchored not stored refs pending

Hard X-ray properties of radio-selected blazars

Craig B. Markwardt, Eugenia Litzinger, Jack Tueller, J\"orn Wilms, Marcus Langejahn, Matthias Kadler, Michael Kreter, Neil Gehrels, Wayne H. Baumgartner

arxiv:2004.00477 v1 · 2020-04-01 · 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{AKX7IJUA6K3TNNV4EMPYUGHDM3}

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	2026-07-05T01:02:14.290560Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

02aff42680f2b736b6bc231f8a18e366cefb4e4e700de5ba2f550f5df736f674

Aliases

arxiv: 2004.00477 · arxiv_version: 2004.00477v1 · doi: 10.48550/arxiv.2004.00477 · pith_short_12: AKX7IJUA6K3T · pith_short_16: AKX7IJUA6K3TNNV4 · pith_short_8: AKX7IJUA

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/AKX7IJUA6K3TNNV4EMPYUGHDM3 \
  | 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: 02aff42680f2b736b6bc231f8a18e366cefb4e4e700de5ba2f550f5df736f674

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "47d7decaa240b6e82b6f158ec13937613f77c6a0ed459540b5355a23b26de322",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2020-04-01T14:47:17Z",
    "title_canon_sha256": "0049eafc91881905ff27738e3c098d84346235d32a4c0c65d2cd90087fee6550"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.00477",
    "kind": "arxiv",
    "version": 1
  }
}