Pith Number

pith:NE7RFF3Z

pith:2019:NE7RFF3ZGPTTI6PFKX2CYADO3P

not attested not anchored not stored refs pending

The spatial extension of extended narrow line regions in MaNGA AGN

David R. Law, Jianhang Chen, Joe R. Brownstein, Longji Bing, Renbin Yan, Rogemar A. Riffel, Rog\'erio Riffel, Ross Dempsey, Sandro B. Rembold, Songlin Li, Xiaoling Yu, Yanmei Chen, Yong Shi

arxiv:1908.02885 v2 · 2019-08-08 · 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{NE7RFF3ZGPTTI6PFKX2CYADO3P}

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	2026-07-05T00:06:10.380729Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

693f12977933e73479e555f42c006edbf296c8497c55a80efc99770dfb170a00

Aliases

arxiv: 1908.02885 · arxiv_version: 1908.02885v2 · doi: 10.48550/arxiv.1908.02885 · pith_short_12: NE7RFF3ZGPTT · pith_short_16: NE7RFF3ZGPTTI6PF · pith_short_8: NE7RFF3Z

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/NE7RFF3ZGPTTI6PFKX2CYADO3P \
  | 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: 693f12977933e73479e555f42c006edbf296c8497c55a80efc99770dfb170a00

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "36ece6efc84d67847357561ef387bdd6a3752ec68b3aa504397cf1f23079b036",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-08-08T00:20:31Z",
    "title_canon_sha256": "8a286b210f089d2abaedc73aec898985454558e793bcd258d3233abbef3efa00"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.02885",
    "kind": "arxiv",
    "version": 2
  }
}