Pith Number

pith:MOBWVHYF

pith:2023:MOBWVHYFVM3L5CE6EKU6ZH7OQW

not attested not anchored not stored refs pending

Narrow-line Seyfert 1 galaxies in Sloan Digital Sky Survey: a new optical spectroscopic catalogue

Alberto Dominguez, C. S. Stalin, D. J. Saikia, Vaidehi S. Paliya

arxiv:2311.13818 v1 · 2023-11-23 · astro-ph.GA · astro-ph.HE

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MOBWVHYFVM3L5CE6EKU6ZH7OQW}

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	2026-07-05T07:16:08.440828Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

63836a9f05ab36be889e22a9ec9fee858b310b1caefef7b39751feb695d04857

Aliases

arxiv: 2311.13818 · arxiv_version: 2311.13818v1 · doi: 10.48550/arxiv.2311.13818 · pith_short_12: MOBWVHYFVM3L · pith_short_16: MOBWVHYFVM3L5CE6 · pith_short_8: MOBWVHYF

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/MOBWVHYFVM3L5CE6EKU6ZH7OQW \
  | 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: 63836a9f05ab36be889e22a9ec9fee858b310b1caefef7b39751feb695d04857

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "947abaa4a040cfcf3e326567270e23ae087d4f71044f4c21a3381392554f8a43",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2023-11-23T05:58:09Z",
    "title_canon_sha256": "ab0f70bb9e3caa1f89475bc31015b625d88199dc4b8a300122c428140cce9306"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2311.13818",
    "kind": "arxiv",
    "version": 1
  }
}