Pith Number

pith:5R75UL4A

pith:2018:5R75UL4ACWGYQ67SMCOWPZDGYN

not attested not anchored not stored refs pending

The imprints of AGN feedback within a supermassive black hole's sphere of influence

A.C. Fabian, B.R. McNamara, C.S. Reynolds, H.R. Russell, J.M. Miller, J.M. Piotrowska, P.E.J. Nulsen

arxiv:1803.09769 v1 · 2018-03-26 · astro-ph.GA · 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{5R75UL4ACWGYQ67SMCOWPZDGYN}

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	2026-05-18T00:18:10.487265Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ec7fda2f80158d887bf2609d67e466c35a0d6328cb446815aeaf846a51ada535

Aliases

arxiv: 1803.09769 · arxiv_version: 1803.09769v1 · doi: 10.48550/arxiv.1803.09769 · pith_short_12: 5R75UL4ACWGY · pith_short_16: 5R75UL4ACWGYQ67S · pith_short_8: 5R75UL4A

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/5R75UL4ACWGYQ67SMCOWPZDGYN \
  | 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: ec7fda2f80158d887bf2609d67e466c35a0d6328cb446815aeaf846a51ada535

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "324660a1461fca5e285dda21b3312532bbdf15cc2dd3e6dbd277050ceac18861",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-03-26T18:01:07Z",
    "title_canon_sha256": "027b3f0b80240f5610acaf9288baf72f014b5943b2bb9744af9e08cbf1c969c1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.09769",
    "kind": "arxiv",
    "version": 1
  }
}