Pith Number

pith:O33JBKFI

pith:2019:O33JBKFI2735HJEUFGY72D46XO

not attested not anchored not stored refs pending

Revealing Hidden Substructures in the $M_{BH}$-$\sigma$ Diagram, and Refining the Bend in the $L$-$\sigma$ Relation

Alister W. Graham, Benjamin L. Davis, Nandini Sahu

arxiv:1908.06838 v3 · 2019-08-19 · 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{O33JBKFI2735HJEUFGY72D46XO}

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	2026-07-05T00:24:55.651025Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

76f690a8a8d7f7d3a49429b1fd0f9ebbae578fe18a38bf5267906060b9138001

Aliases

arxiv: 1908.06838 · arxiv_version: 1908.06838v3 · doi: 10.48550/arxiv.1908.06838 · pith_short_12: O33JBKFI2735 · pith_short_16: O33JBKFI2735HJEU · pith_short_8: O33JBKFI

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/O33JBKFI2735HJEUFGY72D46XO \
  | 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: 76f690a8a8d7f7d3a49429b1fd0f9ebbae578fe18a38bf5267906060b9138001

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cb12e03b5484c1bfa3fd3c46ecebb55f6f1dba3ac26c209d7fb0813125267e92",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-08-19T14:44:30Z",
    "title_canon_sha256": "a86632213c251a6cd55240a232d90ec1b1b42ceeb96423247f30746b1b939f58"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.06838",
    "kind": "arxiv",
    "version": 3
  }
}