Pith Number

pith:ERKP5YBY

pith:2015:ERKP5YBYNOWRYA3EZW3Z6NSVU6

not attested not anchored not stored refs pending

Co-evolution of nuclear star clusters, massive black holes and their host galaxies

Enrico Barausse, Fabio Antonini, Joseph Silk

arxiv:1506.02050 v2 · 2015-06-05 · astro-ph.GA · astro-ph.CO · gr-qc

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ERKP5YBYNOWRYA3EZW3Z6NSVU6}

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	2026-05-18T01:28:04.772889Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2454fee0386bad1c0364cdb79f3655a7855b75fee786217ea72f04c29310fe5a

Aliases

arxiv: 1506.02050 · arxiv_version: 1506.02050v2 · doi: 10.48550/arxiv.1506.02050 · pith_short_12: ERKP5YBYNOWR · pith_short_16: ERKP5YBYNOWRYA3E · pith_short_8: ERKP5YBY

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/ERKP5YBYNOWRYA3EZW3Z6NSVU6 \
  | 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: 2454fee0386bad1c0364cdb79f3655a7855b75fee786217ea72f04c29310fe5a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dc5830011c7919084f1ee0f1423783e619a0a7334f6a91a523c9ba34604524f9",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-06-05T20:04:53Z",
    "title_canon_sha256": "48a3223c473b7418d6af12ee37928ae19e4e47f9bc43340c847936843261a9ea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.02050",
    "kind": "arxiv",
    "version": 2
  }
}