Pith Number

pith:NHDVD3KQ

pith:2013:NHDVD3KQFK3TXUQBNQ4DQPI5G4

not attested not anchored not stored refs pending

Nuclear Activity is more prevalent in Star-Forming Galaxies

A. Saintonge, B. Magnelli, D. Alexander, D.J. Rosario, D. Lutz, F.E. Bauer, H. Netzer, J.R. Mullaney, L. Tacconi, P. Popesso, P. Santini, R. Genzel, R. Maiolino, R. Nordon, S. Berta, S. Wuyts, W.N. Brandt

arxiv:1302.1202 v2 · 2013-02-05 · 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{NHDVD3KQFK3TXUQBNQ4DQPI5G4}

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	2026-05-18T01:51:50.102935Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

69c751ed502ab73bd2016c38383d1d3716eeeb8b6cf653a3fa93f073d6b6a8c7

Aliases

arxiv: 1302.1202 · arxiv_version: 1302.1202v2 · doi: 10.48550/arxiv.1302.1202 · pith_short_12: NHDVD3KQFK3T · pith_short_16: NHDVD3KQFK3TXUQB · pith_short_8: NHDVD3KQ

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/NHDVD3KQFK3TXUQBNQ4DQPI5G4 \
  | 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: 69c751ed502ab73bd2016c38383d1d3716eeeb8b6cf653a3fa93f073d6b6a8c7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "696c2dcb3689ae92336f90d342d35c6e80d5dfd8f761fe519823ccbd2ddb8399",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-02-05T21:00:04Z",
    "title_canon_sha256": "134e4509415e3316d8eace5f8d6f2415aec58bdadffc51dad86b2b526559d580"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.1202",
    "kind": "arxiv",
    "version": 2
  }
}