Pith Number

pith:HRUPOIZD

pith:2022:HRUPOIZDUYAVQ4ZPSHXTPZ4ST2

not attested not anchored not stored refs pending

Spectroscopic reverberation mapping of Quasar PKS 0736+017: Broad-Line Region and Black-hole Mass

C. S. Stalin, Jong-Hak Woo, Shivangi Pandey, Suvendu Rakshit

arxiv:2209.01649 v1 · 2022-09-04 · 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{HRUPOIZDUYAVQ4ZPSHXTPZ4ST2}

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	2026-07-05T04:59:31.968203Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3c68f72323a60158732f91ef37e7929e8c642db29b69234d325be821bf7b9c9a

Aliases

arxiv: 2209.01649 · arxiv_version: 2209.01649v1 · doi: 10.48550/arxiv.2209.01649 · pith_short_12: HRUPOIZDUYAV · pith_short_16: HRUPOIZDUYAVQ4ZP · pith_short_8: HRUPOIZD

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/HRUPOIZDUYAVQ4ZPSHXTPZ4ST2 \
  | 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: 3c68f72323a60158732f91ef37e7929e8c642db29b69234d325be821bf7b9c9a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cba5ea1557a887cb81d35cd1ba8a6700f6b077d097ee9ecffe4648b40564fd1e",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2022-09-04T15:55:55Z",
    "title_canon_sha256": "f96f187b656176f19cc5018463f4d6c7c0116cfe3e19cf59e2c991cb07145607"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2209.01649",
    "kind": "arxiv",
    "version": 1
  }
}