Pith Number

pith:S5TL5Q45

pith:2024:S5TL5Q456RU6WXZVZBY5T74OU7

not attested not anchored not stored refs pending

Fast SMBH growth in the SPT2349--56 protocluster at $z=4.3$

Andrea Comastri, Bret D. Lehmer, Cristian Vignali, Fabio Vito, Giorgio Lanzuisi, Ivan E. Lopez, Paolo Tozzi, Roberto Gilli, Rob J. Ivison, William N. Brandt

arxiv:2406.13005 v1 · 2024-06-18 · 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{S5TL5Q456RU6WXZVZBY5T74OU7}

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	2026-07-05T09:05:16.987823Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9766bec39df469eb5f35c871d9ff8ea7ce8081c2584f0af258f3df8bfdac375f

Aliases

arxiv: 2406.13005 · arxiv_version: 2406.13005v1 · doi: 10.48550/arxiv.2406.13005 · pith_short_12: S5TL5Q456RU6 · pith_short_16: S5TL5Q456RU6WXZV · pith_short_8: S5TL5Q45

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/S5TL5Q456RU6WXZVZBY5T74OU7 \
  | 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: 9766bec39df469eb5f35c871d9ff8ea7ce8081c2584f0af258f3df8bfdac375f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "138b6fa36cf2c29860d1b682f71317407a68d394b9d4c257ab3a63676881313d",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2024-06-18T18:49:02Z",
    "title_canon_sha256": "88f330a8c044a0436aad0f7ff6245acff5ae85e2e45cdb84389771d068090183"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2406.13005",
    "kind": "arxiv",
    "version": 1
  }
}