Pith Number

pith:BOSXBGKE

pith:2023:BOSXBGKEJLGWJUU7MWVSDNHUMO

not attested not anchored not stored refs pending

Does Feedback from Supermassive Blackhole Co-evolve With Host In Type 2 Quasars?

J. Wang, J. Y. Wei, M. Z. Kong, R. J. Shen, S. Jin, X. D. Xu, Y. X. Zhang, Z. Xie

arxiv:2304.09450 v1 · 2023-04-19 · astro-ph.GA · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BOSXBGKEJLGWJUU7MWVSDNHUMO}

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	2026-07-05T06:20:29.252419Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0ba57099444acd64d29f65ab21b4f463912749df668e5f5971b763ff2df3c895

Aliases

arxiv: 2304.09450 · arxiv_version: 2304.09450v1 · doi: 10.48550/arxiv.2304.09450 · pith_short_12: BOSXBGKEJLGW · pith_short_16: BOSXBGKEJLGWJUU7 · pith_short_8: BOSXBGKE

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/BOSXBGKEJLGWJUU7MWVSDNHUMO \
  | 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: 0ba57099444acd64d29f65ab21b4f463912749df668e5f5971b763ff2df3c895

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7c042b71b201a5fa1eed213de95d809aa8c857b70dc081fce947c365d8869d4a",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2023-04-19T06:40:31Z",
    "title_canon_sha256": "449f0045259369fcd58e63df21ce100f4423f3447760616c5db45dee0741c9fc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2304.09450",
    "kind": "arxiv",
    "version": 1
  }
}