Pith Number

pith:RYNSG4YB

pith:2019:RYNSG4YBTMJHPW5KFZMA4HPYJ3

not attested not anchored not stored refs pending

Correlations between supermassive black holes, hot atmospheres, and the total masses of early type galaxies

K. Lakhchaura, N. Truong, N. Werner

arxiv:1904.10513 v4 · 2019-04-23 · astro-ph.GA · astro-ph.CO · 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{RYNSG4YBTMJHPW5KFZMA4HPYJ3}

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	2026-05-17T23:39:54.107013Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8e1b2373019b1277dbaa2e580e1df84ec5328d7bd94d4df40cfb89a9016b53fe

Aliases

arxiv: 1904.10513 · arxiv_version: 1904.10513v4 · doi: 10.48550/arxiv.1904.10513 · pith_short_12: RYNSG4YBTMJH · pith_short_16: RYNSG4YBTMJHPW5K · pith_short_8: RYNSG4YB

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/RYNSG4YBTMJHPW5KFZMA4HPYJ3 \
  | 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: 8e1b2373019b1277dbaa2e580e1df84ec5328d7bd94d4df40cfb89a9016b53fe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0d24ee720564c2039fcef96479a45fac541a91931e8d99c88eb9202fe8b352a1",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-04-23T19:36:01Z",
    "title_canon_sha256": "612e14d8956b8b156b484c7659c636b1184de86a7ed035c940f2347369c03e67"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.10513",
    "kind": "arxiv",
    "version": 4
  }
}