Pith Number

pith:7JYJ5CAM

pith:2025:7JYJ5CAMFJ3UOU3AT4H4CE3R2Q

not attested not anchored not stored refs pending

Time Evolution of Mg II in SDSS J2320+0024: Implications for a Subparsec Binary Supermassive Black Hole System

Andjelka B. Kova\v{c}evi\'c, Dragana Ili\'c, Karun Thanjavur, Lovro Palaversa, Luka \v{C}. Popovi\'c, Marta Fatovi\'c, Minghao Yue, Oleksandra Razim, Sa\v{s}a Simi\'c, \v{Z}eljko Ivezi\'c, Xiaohui Fan

arxiv:2501.16877 v1 · 2025-01-28 · 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{7JYJ5CAMFJ3UOU3AT4H4CE3R2Q}

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	2026-07-05T10:37:43.648764Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fa709e880c2a774753609f0fc11371d411e75d69977ed7767887b11d962dea34

Aliases

arxiv: 2501.16877 · arxiv_version: 2501.16877v1 · doi: 10.48550/arxiv.2501.16877 · pith_short_12: 7JYJ5CAMFJ3U · pith_short_16: 7JYJ5CAMFJ3UOU3A · pith_short_8: 7JYJ5CAM

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/7JYJ5CAMFJ3UOU3AT4H4CE3R2Q \
  | 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: fa709e880c2a774753609f0fc11371d411e75d69977ed7767887b11d962dea34

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "093dacb7b7cdc9ff733008bd45870c764cdea4116b734b0bc31d72f4423cf65c",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2025-01-28T12:06:04Z",
    "title_canon_sha256": "57c876d889a80ed1e2b19b10cefb5dcf495c4acf6822a5591702bd07de1ca5ff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.16877",
    "kind": "arxiv",
    "version": 1
  }
}