Pith Number

pith:A3YLSDLG

pith:2025:A3YLSDLGY4CXED2S2LJYCKEUBZ

not attested not anchored not stored refs pending

Overmassive Black holes live in compact galaxies in the early Universe

Daizhong Liu, Ke Xu, Kotaro Kohno, Luis C. Ho, Qinghua Tan, Ran Wang, Takuma Izumi, Tao Wang, Yong Shi, Yuxuan Wu, Zhaozhou Li, Zhiyu Zhang

arxiv:2506.14896 v2 · 2025-06-17 · 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{A3YLSDLGY4CXED2S2LJYCKEUBZ}

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	2026-07-05T11:26:52.902988Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

06f0b90d66c705720f52d2d38128940e7e7529c15d2cda6cf8f94777c65cdb46

Aliases

arxiv: 2506.14896 · arxiv_version: 2506.14896v2 · doi: 10.48550/arxiv.2506.14896 · pith_short_12: A3YLSDLGY4CX · pith_short_16: A3YLSDLGY4CXED2S · pith_short_8: A3YLSDLG

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/A3YLSDLGY4CXED2S2LJYCKEUBZ \
  | 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: 06f0b90d66c705720f52d2d38128940e7e7529c15d2cda6cf8f94777c65cdb46

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e45a6692af6a7d5e6e9caa0eb3f53d61ce2411282fae3ff06d1d20edd70216d3",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2025-06-17T18:08:44Z",
    "title_canon_sha256": "7a5464a860ceb19955365791e43bfc7e67ed7570b950a6800fe8f9a572a2178a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.14896",
    "kind": "arxiv",
    "version": 2
  }
}