Pith Number

pith:T5424YM7

pith:2022:T5424YM7QBZEMA3LR4FFBZN35X

not attested not anchored not stored refs pending

Blazar nature of high-z radio-loud quasars

Fabrizio Tavecchio, Gabriele Ghisellini, Giancarlo Ghirlanda, Gianpiero Tagliaferri, Luigi Costamante, Tullia Sbarrato

arxiv:2203.09527 v2 · 2022-03-17 · 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{T5424YM7QBZEMA3LR4FFBZN35X}

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.

Cited by

1 paper in Pith

Supermassive black holes and their surroundings: MeV signatures

Receipt and verification

First computed	2026-07-05T04:43:41.150748Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9f79ae619f807246036b8f0a50e5bbedc63854ee87a654ebbb18c2913982f390

Aliases

arxiv: 2203.09527 · arxiv_version: 2203.09527v2 · doi: 10.48550/arxiv.2203.09527 · pith_short_12: T5424YM7QBZE · pith_short_16: T5424YM7QBZEMA3L · pith_short_8: T5424YM7

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/T5424YM7QBZEMA3LR4FFBZN35X \
  | 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: 9f79ae619f807246036b8f0a50e5bbedc63854ee87a654ebbb18c2913982f390

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ab5322f657893734b5c70bf832d8c0b8c02a9fe9547a2984f124a308d885630a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2022-03-17T18:00:01Z",
    "title_canon_sha256": "d4e32cc84b2f197ad5b8f5fbcbbed543b19a95b4e5f98867f1a1318f9591f6e8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2203.09527",
    "kind": "arxiv",
    "version": 2
  }
}