Pith Number

pith:4TNNZACT

pith:2018:4TNNZACTWXZE7BUVDL72EY43ZN

not attested not anchored not stored refs pending

A close look at the well-known Seyfert galaxy: extended emission filaments in Mrk6

A.A. Smirnova, A.V. Moiseev, S.N. Dodonov

arxiv:1809.05950 v1 · 2018-09-16 · 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{4TNNZACTWXZE7BUVDL72EY43ZN}

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	2026-05-18T00:04:54.507245Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e4dadc8053b5f24f86951affa2639bcb7e0342dc963562a2ba71ba7ef0828225

Aliases

arxiv: 1809.05950 · arxiv_version: 1809.05950v1 · doi: 10.48550/arxiv.1809.05950 · pith_short_12: 4TNNZACTWXZE · pith_short_16: 4TNNZACTWXZE7BUV · pith_short_8: 4TNNZACT

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/4TNNZACTWXZE7BUVDL72EY43ZN \
  | 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: e4dadc8053b5f24f86951affa2639bcb7e0342dc963562a2ba71ba7ef0828225

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b0f9300e17588e24f3d95953177ac1670ac7dc0a8ca43b304a3156f7e6ff207d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-09-16T20:32:58Z",
    "title_canon_sha256": "ac9360ec86d6bc51960fab77d9a898e0e869e94fcd52db2956dc6c37ff69d192"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.05950",
    "kind": "arxiv",
    "version": 1
  }
}