Pith Number

pith:I3P7OEL5

pith:2016:I3P7OEL5WPKMDOHEQQV7UOSVMJ

not attested not anchored not stored refs pending

Is the cluster environment quenching the Seyfert activity in elliptical and spiral galaxies?

A. Hagen (for the COIN Collaboration), A. Krone-Martins, E. Cameron, J. Elliott, J. M. Hilbe, M. de Val-Borro, M. L. L. Dantas, M. W. Hattab, P. Coelho, R. S. de Souza

arxiv:1603.06256 v2 · 2016-03-20 · astro-ph.GA · 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{I3P7OEL5WPKMDOHEQQV7UOSVMJ}

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	2026-07-04T23:54:02.163741Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

46dff7117db3d4c1b8e4842bfa3a55625e8c15e521bcb347fb91764d131dba26

Aliases

arxiv: 1603.06256 · arxiv_version: 1603.06256v2 · doi: 10.48550/arxiv.1603.06256 · pith_short_12: I3P7OEL5WPKM · pith_short_16: I3P7OEL5WPKMDOHE · pith_short_8: I3P7OEL5

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/I3P7OEL5WPKMDOHEQQV7UOSVMJ \
  | 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: 46dff7117db3d4c1b8e4842bfa3a55625e8c15e521bcb347fb91764d131dba26

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e2dd72180bf155069026cc6bb891f04788cda9740667e886d3e595b282fa7ace",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-03-20T19:08:44Z",
    "title_canon_sha256": "22a06586adec508b900f958cac96cc055fd331cae6cc14ecb5094850e13eca2b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.06256",
    "kind": "arxiv",
    "version": 2
  }
}