Pith Number

pith:5ZIS4V6Z

pith:2018:5ZIS4V6ZHYOV2ZHRHJZPBTBX5H

not attested not anchored not stored refs pending

Radio Galaxies at VHE energies

Amir Levinson, Frank M. Rieger

arxiv:1810.05409 v2 · 2018-10-12 · 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{5ZIS4V6ZHYOV2ZHRHJZPBTBX5H}

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	2026-05-18T00:00:34.715076Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ee512e57d93e1d5d64f13a72f0cc37e9c90e7f9c1917aa779e836cf89148f3fc

Aliases

arxiv: 1810.05409 · arxiv_version: 1810.05409v2 · doi: 10.48550/arxiv.1810.05409 · pith_short_12: 5ZIS4V6ZHYOV · pith_short_16: 5ZIS4V6ZHYOV2ZHR · pith_short_8: 5ZIS4V6Z

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/5ZIS4V6ZHYOV2ZHRHJZPBTBX5H \
  | 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: ee512e57d93e1d5d64f13a72f0cc37e9c90e7f9c1917aa779e836cf89148f3fc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "89f24541222444632b6bb42cbffd1356e4c034ab63fd69404387a844e913f55f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2018-10-12T08:48:41Z",
    "title_canon_sha256": "5408f1329496b6f73c42849bc38f8c56ee1bf2b8b9fc28a4ee3d679d92015fb7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.05409",
    "kind": "arxiv",
    "version": 2
  }
}