Pith Number

pith:R7XJ7BZ2

pith:2018:R7XJ7BZ2WQEUYQBEZ7NJS3U2UM

not attested not anchored not stored refs pending

Multi-Wavelength Properties of Radio-loud Narrow-Line Seyfert 1 Galaxies

S. Komossa

arxiv:1807.03666 v2 · 2018-07-10 · 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{R7XJ7BZ2WQEUYQBEZ7NJS3U2UM}

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	2026-05-18T00:08:53.788608Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8fee9f873ab4094c4024cfda996e9aa337e3d6e8e2f161502fbaab8140a2d68b

Aliases

arxiv: 1807.03666 · arxiv_version: 1807.03666v2 · doi: 10.48550/arxiv.1807.03666 · pith_short_12: R7XJ7BZ2WQEU · pith_short_16: R7XJ7BZ2WQEUYQBE · pith_short_8: R7XJ7BZ2

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/R7XJ7BZ2WQEUYQBEZ7NJS3U2UM \
  | 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: 8fee9f873ab4094c4024cfda996e9aa337e3d6e8e2f161502fbaab8140a2d68b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c09173d0eebde61cc4aa6abe94a172406f6cff3ac74c9b57093cada15cfe54a1",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-07-10T14:17:50Z",
    "title_canon_sha256": "b434e4e186c0a3878aa17e6fde49dd66a42e375adabf8f4e7a891157314fda41"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.03666",
    "kind": "arxiv",
    "version": 2
  }
}