Pith Number

pith:JB5UPDGA

pith:2021:JB5UPDGA45CIBQW7LFDI5QIBOO

not attested not anchored not stored refs pending

Changing look AGN Mrk 590: Broad line region and black hole mass from photometric reverberation mapping

Amit Kumar Mandal, Blesson Mathew, Bovornpratch Vijarnwannaluk, C. S. Stalin, Daniel E. Reichart, Joshua B. Haislip, Malte Schramm, Ram Sagar, Saran Poshyachinda, Suvendu Rakshit, Vladimir V. Kouprianov, Wiphu Rujopakarn

arxiv:2110.02055 v1 · 2021-10-05 · 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{JB5UPDGA45CIBQW7LFDI5QIBOO}

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	2026-07-05T03:23:51.861454Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

487b478cc0e74480c2df59468ec10173a4a3223e0714fbb115ac5548902b20f7

Aliases

arxiv: 2110.02055 · arxiv_version: 2110.02055v1 · doi: 10.48550/arxiv.2110.02055 · pith_short_12: JB5UPDGA45CI · pith_short_16: JB5UPDGA45CIBQW7 · pith_short_8: JB5UPDGA

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/JB5UPDGA45CIBQW7LFDI5QIBOO \
  | 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: 487b478cc0e74480c2df59468ec10173a4a3223e0714fbb115ac5548902b20f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6ad807cc40e3d401ece9039a4ee471933bf1496a8c4e484db86d1f14b44f9ffc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-10-05T14:04:34Z",
    "title_canon_sha256": "6290d32109cbd5ef2f98ab517e7812f3fce46ac5c7ec1933ab255462496f9177"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2110.02055",
    "kind": "arxiv",
    "version": 1
  }
}