Pith Number

pith:UY2MP7N7

pith:2025:UY2MP7N7RDQHHDU4DP4T3CMNFG

not attested not anchored not stored refs pending

Glimmers in the Cosmic Dawn. III. On the Photometrically Determined Black Hole Mass to Stellar Mass Relation Across Cosmic Time

Alberto Saldana-Lopez, Alice R. Young, Axel Runnholm, Benjamin W. Keller, Jasbir Singh, Jens Melinder, Jonathan C. Tan, Matthew J. Hayes, Richard S. Ellis, Vieri Cammelli

arxiv:2508.15905 v1 · 2025-08-21 · 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{UY2MP7N7RDQHHDU4DP4T3CMNFG}

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	2026-07-05T11:57:22.795946Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a634c7fdbf88e0738e9c1bf93d898d298ac22e59a30cfd418b9c8d0d937ecc68

Aliases

arxiv: 2508.15905 · arxiv_version: 2508.15905v1 · doi: 10.48550/arxiv.2508.15905 · pith_short_12: UY2MP7N7RDQH · pith_short_16: UY2MP7N7RDQHHDU4 · pith_short_8: UY2MP7N7

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/UY2MP7N7RDQHHDU4DP4T3CMNFG \
  | 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: a634c7fdbf88e0738e9c1bf93d898d298ac22e59a30cfd418b9c8d0d937ecc68

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "77ff5de0f104badff4334cbbbdbb2b97b24db118d4454c626ede395759a06032",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2025-08-21T18:05:04Z",
    "title_canon_sha256": "0b07cfe893b5f933f08082125b91e95c28eaf6b00f4a36a0b037375aaf1ca873"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.15905",
    "kind": "arxiv",
    "version": 1
  }
}