Pith Number

pith:MBH3S2B5

pith:2018:MBH3S2B5ZKDLWK6GGAWYDFZLMW

not attested not anchored not stored refs pending

The WISSH Quasars Project IV. BLR versus kpc-scale winds

A. Bongiorno, A. Comastri, A. Marconi, C. Feruglio, C. Vignali, E. Giallongo, E. Piconcelli, E. Sani, F. Duras, F. Fiore, F. La Franca, F. Mannucci, F. Ricci, F. Tombesi, G. Bruni, G. Cresci, G. Vietri, L. Zappacosta, M. Bischetti, M. Brusa, S. Bisogni, S. Martocchia, V. Mainieri, V. Testa

arxiv:1802.03423 v1 · 2018-02-09 · 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{MBH3S2B5ZKDLWK6GGAWYDFZLMW}

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	2026-05-18T00:04:49.812252Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

604fb9683dca86bb2bc6302d81972b65b92af4e32f1474838fcd40c707bf7a68

Aliases

arxiv: 1802.03423 · arxiv_version: 1802.03423v1 · doi: 10.48550/arxiv.1802.03423 · pith_short_12: MBH3S2B5ZKDL · pith_short_16: MBH3S2B5ZKDLWK6G · pith_short_8: MBH3S2B5

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/MBH3S2B5ZKDLWK6GGAWYDFZLMW \
  | 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: 604fb9683dca86bb2bc6302d81972b65b92af4e32f1474838fcd40c707bf7a68

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9cd38fc5b7b47b59f793475ba02d2e384ef2e28221bf2d359c50a9d029e9a410",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-02-09T19:36:21Z",
    "title_canon_sha256": "4f457860c5965e3d692301336b938c54c6c2b69aa8db7e6dd05da2f67d1e7ba2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.03423",
    "kind": "arxiv",
    "version": 1
  }
}