Pith Number

pith:CNNU5HVV

pith:2018:CNNU5HVVP2CM4NKXLFWP6DINH2

not attested not anchored not stored refs pending

The mid-2016 flaring activity of the flat spectrum radio quasar PKS 2023-07

A.Porras, E.Recillas, F. Verrecchia, G. Piano, I. Donnarumma, L. Carrasco, L. Pacciani, M. Tavani, P. Munar-Adrover, P. Romano, S. Vercellone

arxiv:1805.05640 v2 · 2018-05-15 · 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{CNNU5HVVP2CM4NKXLFWP6DINH2}

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	2026-05-18T00:07:34.381371Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

135b4e9eb57e84ce3557596cff0d0d3e82858695e45b679f7756a06c76c75b72

Aliases

arxiv: 1805.05640 · arxiv_version: 1805.05640v2 · doi: 10.48550/arxiv.1805.05640 · pith_short_12: CNNU5HVVP2CM · pith_short_16: CNNU5HVVP2CM4NKX · pith_short_8: CNNU5HVV

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/CNNU5HVVP2CM4NKXLFWP6DINH2 \
  | 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: 135b4e9eb57e84ce3557596cff0d0d3e82858695e45b679f7756a06c76c75b72

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f76d621a34586c234775a4e99e7e2853dfe37dae69a61ecf34c0acd27cea5a02",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2018-05-15T08:49:43Z",
    "title_canon_sha256": "f8be464ace884002da6ab2b5ef88c0739c91d6f339aead61735b7c6daa040f23"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.05640",
    "kind": "arxiv",
    "version": 2
  }
}