Pith Number

pith:TCPLA4FG

pith:2018:TCPLA4FGMTA6KFAXZUQMQCYSWQ

not attested not anchored not stored refs pending

The impact of stripped Nuclei on the Super-Massive Black Hole number density in the local Universe

Alexander Rasskazov, Anil C. Seth, Holger Baumgardt, Joel Pfeffer, Karina T. Voggel, Steffen Mieske

arxiv:1810.10011 v2 · 2018-10-23 · 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{TCPLA4FGMTA6KFAXZUQMQCYSWQ}

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	2026-05-17T23:55:19.371209Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

989eb070a664c1e51417cd20c80b12b435493fc38e068c63be1af2a53c0e2ad3

Aliases

arxiv: 1810.10011 · arxiv_version: 1810.10011v2 · doi: 10.48550/arxiv.1810.10011 · pith_short_12: TCPLA4FGMTA6 · pith_short_16: TCPLA4FGMTA6KFAX · pith_short_8: TCPLA4FG

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/TCPLA4FGMTA6KFAXZUQMQCYSWQ \
  | 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: 989eb070a664c1e51417cd20c80b12b435493fc38e068c63be1af2a53c0e2ad3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9cdadf6a4cf047d58d8486f76caf680170a141948b0f00aa942543c8b0ffb652",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-10-23T18:00:00Z",
    "title_canon_sha256": "f8449cfc90c9e2885496cd62a8f7b8568f79d0216081951c4f472ca9b5aea2ef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.10011",
    "kind": "arxiv",
    "version": 2
  }
}