Pith Number

pith:BR3JL6LB

pith:2013:BR3JL6LBX5QVVJFGZQVB6OTGKM

not attested not anchored not stored refs pending

On the origin of X-ray spectra in luminous blazars

Greg M. Madejski, Krzysztof Nalewajko, Marek Sikora, Mateusz Janiak, Rafa{\l} Moderski

arxiv:1311.0670 v1 · 2013-11-04 · astro-ph.HE

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BR3JL6LBX5QVVJFGZQVB6OTGKM}

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	2026-05-18T01:46:39.469023Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0c7695f961bf615aa4a6cc2a1f3a66531cf7428cf5681d0b19187be856f2fb72

Aliases

arxiv: 1311.0670 · arxiv_version: 1311.0670v1 · doi: 10.48550/arxiv.1311.0670 · pith_short_12: BR3JL6LBX5QV · pith_short_16: BR3JL6LBX5QVVJFG · pith_short_8: BR3JL6LB

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/BR3JL6LBX5QVVJFGZQVB6OTGKM \
  | 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: 0c7695f961bf615aa4a6cc2a1f3a66531cf7428cf5681d0b19187be856f2fb72

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f251f6ba97f72d7e6f2c6fb7be6726a87f1822780830460354d5c93f494df5a5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-11-04T12:21:51Z",
    "title_canon_sha256": "540ce7bea0bbce1f65066c903a34ec871aceb99653227622ef89fd99701a9afa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.0670",
    "kind": "arxiv",
    "version": 1
  }
}