Pith Number

pith:HBN5JD56

pith:2016:HBN5JD56QK74JYK7NUFLOO5LX3

not attested not anchored not stored refs pending

On the black hole mass of the gamma-ray emitting narrow-line Seyfert 1 galaxy 1H 0323+342

(2) Caltech, (3) Universidade Federal do Rio Grande do Sul, (4) LUTH, 5), (5) ISAS, (6) JPL), C. Boisson (4), C. Done (1, D. Kynoch (1), D. Stern (6) ((1) Durham University, H. Landt (1), Japan Aerospace Exploration Agency, J. Schimoia (3), M. Balokovic (2), M. J. Ward (1), Observatoire de Paris, T. Storchi-Bergmann (3)

arxiv:1609.08002 v1 · 2016-09-23 · astro-ph.HE · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HBN5JD56QK74JYK7NUFLOO5LX3}

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	2026-05-18T00:57:25.860044Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

385bd48fbe82bfc4e15f6d0ab73babbef500765e81c810a4af581247bf51f944

Aliases

arxiv: 1609.08002 · arxiv_version: 1609.08002v1 · doi: 10.48550/arxiv.1609.08002 · pith_short_12: HBN5JD56QK74 · pith_short_16: HBN5JD56QK74JYK7 · pith_short_8: HBN5JD56

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/HBN5JD56QK74JYK7NUFLOO5LX3 \
  | 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: 385bd48fbe82bfc4e15f6d0ab73babbef500765e81c810a4af581247bf51f944

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "16c653d0a5ba7fd2c90cefaeca02c3e1ec29e3838797d66f7ee2dc97cd59feef",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2016-09-23T09:20:39Z",
    "title_canon_sha256": "91727e2ea60487c8973c9501030c9deaa1d17be4d6086a835f50239b7f89d779"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.08002",
    "kind": "arxiv",
    "version": 1
  }
}