Pith Number

pith:3LMMUW4Y

pith:2017:3LMMUW4YI32G44JQSI3FRIWN4O

not attested not anchored not stored refs pending

The effect of nuclear gas distribution on the mass determination of supermassive black holes

B. Trakhtenbrot, D. M. Capellupo, H. Netzer, J.E. Mej\'ia-Restrepo, P. Lira

arxiv:1709.05345 v3 · 2017-09-15 · 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{3LMMUW4YI32G44JQSI3FRIWN4O}

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	2026-05-18T00:26:28.753233Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dad8ca5b9846f46e7130923658a2cde391d09fb16a640de3948bfa508465bf66

Aliases

arxiv: 1709.05345 · arxiv_version: 1709.05345v3 · doi: 10.48550/arxiv.1709.05345 · pith_short_12: 3LMMUW4YI32G · pith_short_16: 3LMMUW4YI32G44JQ · pith_short_8: 3LMMUW4Y

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/3LMMUW4YI32G44JQSI3FRIWN4O \
  | 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: dad8ca5b9846f46e7130923658a2cde391d09fb16a640de3948bfa508465bf66

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "57f079a948234c81c15fbc492f647f14443304c1e14eaab657b893f8820c8a84",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-09-15T18:00:02Z",
    "title_canon_sha256": "cc80fb711cf051e4a889481dd1d2b9fe422792d8190f06b1cccea12e2c0378a5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.05345",
    "kind": "arxiv",
    "version": 3
  }
}