Pith Number

pith:IBBPDWRO

pith:2022:IBBPDWRON5PUBR4UTVN3N4WN7C

not attested not anchored not stored refs pending

What about high redshift sources in the Main Sequence of quasars?

A. Deconto-Machado, A. del Olmo Orozco, P. Marziani

arxiv:2205.14499 v1 · 2022-05-28 · 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{IBBPDWRON5PUBR4UTVN3N4WN7C}

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	2026-07-05T04:27:18.019334Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4042f1da2e6f5f40c7949d5bb6f2cdf88ef18cc09dd28c6e22eaae068e13130a

Aliases

arxiv: 2205.14499 · arxiv_version: 2205.14499v1 · doi: 10.48550/arxiv.2205.14499 · pith_short_12: IBBPDWRON5PU · pith_short_16: IBBPDWRON5PUBR4U · pith_short_8: IBBPDWRO

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/IBBPDWRON5PUBR4UTVN3N4WN7C \
  | 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: 4042f1da2e6f5f40c7949d5bb6f2cdf88ef18cc09dd28c6e22eaae068e13130a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e2b81d8aa65b5d6a675b9768ac1311798a870f4c16af796dc5339342b1dba555",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2022-05-28T18:27:25Z",
    "title_canon_sha256": "9e6529a8f684d2283664d40389100221921e30e154a9b125f1f1b6002e39c3fb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2205.14499",
    "kind": "arxiv",
    "version": 1
  }
}