Pith Number

pith:IAQ4B5CD

pith:2019:IAQ4B5CD3BUFI7CYX2Q7IVZQVZ

not attested not anchored not stored refs pending

Extended ionized-gas structures in Seyfert 2 galaxy Mrk 78

A.A. Smirnova, A.V. Moiseev, D.V. Kozlova

arxiv:1908.01376 v1 · 2019-08-04 · 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{IAQ4B5CD3BUFI7CYX2Q7IVZQVZ}

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	2026-07-05T00:38:03.245676Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4021c0f443d868547c58bea1f45730ae57c073959d2d4e1a43857f15e82858cd

Aliases

arxiv: 1908.01376 · arxiv_version: 1908.01376v1 · doi: 10.48550/arxiv.1908.01376 · pith_short_12: IAQ4B5CD3BUF · pith_short_16: IAQ4B5CD3BUFI7CY · pith_short_8: IAQ4B5CD

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/IAQ4B5CD3BUFI7CYX2Q7IVZQVZ \
  | 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: 4021c0f443d868547c58bea1f45730ae57c073959d2d4e1a43857f15e82858cd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6c28b1157146a7a83a1279069d761554125c81592a42a79e4fffa69c7356b8ff",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-08-04T17:21:31Z",
    "title_canon_sha256": "0dec645c286873de72c46901d41fc7c4aa943022d55cd6defcdf4f1c99213447"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.01376",
    "kind": "arxiv",
    "version": 1
  }
}