Pith Number

pith:OIZ3PVFR

pith:2025:OIZ3PVFRZ7T2XVXW4WWGMQ3Q5F

not attested not anchored not stored refs pending

Supermassive Black Hole Growth in Massive Galaxies at Cosmic Dawn

James Sunseri, Romain Teyssier, Zachary L. Andalman

arxiv:2510.19822 v2 · 2025-10-22 · 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{OIZ3PVFRZ7T2XVXW4WWGMQ3Q5F}

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	2026-06-12T01:09:15.264866Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7233b7d4b1cfe7abd6f6e5ac664370e9604e86567a8b57405dfaed3d6325e258

Aliases

arxiv: 2510.19822 · arxiv_version: 2510.19822v2 · doi: 10.48550/arxiv.2510.19822 · pith_short_12: OIZ3PVFRZ7T2 · pith_short_16: OIZ3PVFRZ7T2XVXW · pith_short_8: OIZ3PVFR

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/OIZ3PVFRZ7T2XVXW4WWGMQ3Q5F \
  | 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: 7233b7d4b1cfe7abd6f6e5ac664370e9604e86567a8b57405dfaed3d6325e258

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "706d8d2bae9ff5a91cab7bfd575d005514a9320812096f6ce132d6a84de17f55",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2025-10-22T17:59:30Z",
    "title_canon_sha256": "d876769911a7d872dcdbe0ed48528b18363a8dfb29d86ec351a20a9746a3ae16"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2510.19822",
    "kind": "arxiv",
    "version": 2
  }
}