Pith Number

pith:CEZ4LS6Y

pith:2025:CEZ4LS6Y64AEWLUK55DXIWV3DF

not attested not anchored not stored refs pending

The High-redshift Blazar MG3 J163554+3629: Physical Properties and the Enigma of Its Unexpected Supermassive Black Hole Growth

Andrea Tramacere, Eugenio Bottacini, Jose Maria Sanchez Zaballa

arxiv:2505.13593 v1 · 2025-05-19 · 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{CEZ4LS6Y64AEWLUK55DXIWV3DF}

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	2026-07-05T11:05:48.254702Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1133c5cbd8f7004b2e8aef47745abb1956f306cf6f387f4f99b78b6c91268bc6

Aliases

arxiv: 2505.13593 · arxiv_version: 2505.13593v1 · doi: 10.48550/arxiv.2505.13593 · pith_short_12: CEZ4LS6Y64AE · pith_short_16: CEZ4LS6Y64AEWLUK · pith_short_8: CEZ4LS6Y

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/CEZ4LS6Y64AEWLUK55DXIWV3DF \
  | 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: 1133c5cbd8f7004b2e8aef47745abb1956f306cf6f387f4f99b78b6c91268bc6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "77d95aab06902e5d2a0062aac3fd5c8998db0ea0742e1ccad61f6631b22f63a0",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2025-05-19T18:00:01Z",
    "title_canon_sha256": "80dcd40b75744896fb55608edc01cbb480a8eb57477ef96d21aeffbccc7af75e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.13593",
    "kind": "arxiv",
    "version": 1
  }
}