Pith Number

pith:VQ74BUMU

pith:2022:VQ74BUMUJXBELO5IE645ZGOLGA

not attested not anchored not stored refs pending

The evolution of the heaviest super-massive black-holes in jetted AGNs

Alberto Moretti, Alessandro Caccianiga, Alessandro Diana, Luca Ighina, Roberto Della Ceca, Silvia Belladitta

arxiv:2202.03444 v1 · 2022-02-07 · 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{VQ74BUMUJXBELO5IE645ZGOLGA}

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	2026-07-05T03:59:03.047082Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ac3fc0d1944dc245bba827b9dc99cb303ea9edc4a713e118ea405be7592335dc

Aliases

arxiv: 2202.03444 · arxiv_version: 2202.03444v1 · doi: 10.48550/arxiv.2202.03444 · pith_short_12: VQ74BUMUJXBE · pith_short_16: VQ74BUMUJXBELO5I · pith_short_8: VQ74BUMU

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/VQ74BUMUJXBELO5IE645ZGOLGA \
  | 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: ac3fc0d1944dc245bba827b9dc99cb303ea9edc4a713e118ea405be7592335dc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "af3cf530ea6370e4409727ec6f486bdf5cee4f22d2a138c914ee04ef48128e7c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2022-02-07T19:00:01Z",
    "title_canon_sha256": "c86b38cbe1fea1de0a75ebf197abad19606349466b4506d847fcbee576f6602a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2202.03444",
    "kind": "arxiv",
    "version": 1
  }
}