Pith Number

pith:XWHA6IST

pith:2019:XWHA6IST4UN6SCIWT6555B3MNB

not attested not anchored not stored refs pending

The sub-Eddington boundary for the quasar mass-luminosity plane: A theoretical perspective

Andrew M. Jones, Damian J. Christian, David Garofalo

arxiv:1906.06995 v1 · 2019-06-10 · astro-ph.HE · 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{XWHA6IST4UN6SCIWT6555B3MNB}

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	2026-05-17T23:43:12.174874Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bd8e0f2253e51be909169fbbde876c686e5353406e41ac6b5f1b5e80063d2e90

Aliases

arxiv: 1906.06995 · arxiv_version: 1906.06995v1 · doi: 10.48550/arxiv.1906.06995 · pith_short_12: XWHA6IST4UN6 · pith_short_16: XWHA6IST4UN6SCIW · pith_short_8: XWHA6IST

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/XWHA6IST4UN6SCIWT6555B3MNB \
  | 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: bd8e0f2253e51be909169fbbde876c686e5353406e41ac6b5f1b5e80063d2e90

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b5ceb746cee835a16897c737196ba1625bf37eb15ca99392dfc8b737cb6c78f7",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-06-10T14:18:39Z",
    "title_canon_sha256": "7b6d8b9cc91f36e8a92400957e2b07a22de271e6505f0a337f45612df21876af"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.06995",
    "kind": "arxiv",
    "version": 1
  }
}