Pith Number

pith:NKNSX2FR

pith:2023:NKNSX2FR6EPUTVUQDV4USNRFYI

not attested not anchored not stored refs pending

Long-term optical spectral monitoring of a changing-look active galactic nucleus NGC 3516 -- II. Broad-line profile variability

Alexander Burenkov, Andjelka B. Kovacevi\'c, Dragana Ili\'c, Elena Shablovinskaya, Evencio G. Mediavilla, Jelena Kovacevi\'c - Dojcinovi\'c, Jian-Min Wang, Luka C. Popovi\'c, Paola Marziani, Sladjana Marceta-Mandi\'c, Vahram Chavushyan, Victor Manuel Pati\~no \'Alvarez, Yan-Rong Li

arxiv:2306.00669 v1 · 2023-06-01 · 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{NKNSX2FR6EPUTVUQDV4USNRFYI}

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	2026-07-05T06:32:29.078645Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a9b2be8b1f11f49d6901d79493625c22e8bbbc1281900de4e625c89abde787e

Aliases

arxiv: 2306.00669 · arxiv_version: 2306.00669v1 · doi: 10.48550/arxiv.2306.00669 · pith_short_12: NKNSX2FR6EPU · pith_short_16: NKNSX2FR6EPUTVUQ · pith_short_8: NKNSX2FR

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/NKNSX2FR6EPUTVUQDV4USNRFYI \
  | 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: 6a9b2be8b1f11f49d6901d79493625c22e8bbbc1281900de4e625c89abde787e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bd623b6775186382ce0d59f680b86a7df7d98dd9398567d768ae3aada9f1b54e",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2023-06-01T13:39:56Z",
    "title_canon_sha256": "627667414abf0365c52633076db644a97c4be4e015a9938f572626f0638b1450"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2306.00669",
    "kind": "arxiv",
    "version": 1
  }
}