Pith Number

pith:STGQ32Z5

pith:2025:STGQ32Z5BLZBSYEL3DEHPZVO5U

not attested not anchored not stored refs pending

Evidence for evolutionary pathway-dependent black hole scaling relations

Emmanuel Durodola, Erini Lambrides, Jonathan H. Cohn, Quinn O. Casey, Ryan C. Hickox

arxiv:2504.00172 v1 · 2025-03-31 · 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{STGQ32Z5BLZBSYEL3DEHPZVO5U}

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.

Cited by

1 paper in Pith

Optical Strong Line Ratios Cannot Distinguish Between Stellar Populations and Accreting Black Holes at High Ionization Parameters and Low Metallicities

Receipt and verification

First computed	2026-07-05T10:42:21.260954Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

94cd0deb3d0af219608bd8c877e6aeed3f3cb4202f518e4bb07ebf0f986bef43

Aliases

arxiv: 2504.00172 · arxiv_version: 2504.00172v1 · doi: 10.48550/arxiv.2504.00172 · pith_short_12: STGQ32Z5BLZB · pith_short_16: STGQ32Z5BLZBSYEL · pith_short_8: STGQ32Z5

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/STGQ32Z5BLZBSYEL3DEHPZVO5U \
  | 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: 94cd0deb3d0af219608bd8c877e6aeed3f3cb4202f518e4bb07ebf0f986bef43

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2f6babd0d29a4f2a61050d9124e5c25d01b3b208dbbe41e748690e8348dc5ef8",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2025-03-31T19:29:48Z",
    "title_canon_sha256": "a9ed24f525a0384486d985bee0045c59b5b3a83364d5ac27af8c4cea917b6375"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.00172",
    "kind": "arxiv",
    "version": 1
  }
}