Pith Number

pith:OYMMQ3XZ

pith:2010:OYMMQ3XZ2GWOQUIDX4ZJX2HUJ6

not attested not anchored not stored refs pending

On a method to resolve the nuclear activity in galaxies as applied to the Seyfert 2 galaxy NGC1358

Charles H. Nelson, Kambiz Fathi, Maja Hjelm, Per Olof Lindblad

arxiv:1001.2458 v3 · 2010-01-14 · 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{OYMMQ3XZ2GWOQUIDX4ZJX2HUJ6}

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	2026-05-18T02:09:52.109906Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7618c86ef9d1ace85103bf329be8f44f89ed6a99bf99ba254804c4334712943f

Aliases

arxiv: 1001.2458 · arxiv_version: 1001.2458v3 · doi: 10.48550/arxiv.1001.2458 · pith_short_12: OYMMQ3XZ2GWO · pith_short_16: OYMMQ3XZ2GWOQUID · pith_short_8: OYMMQ3XZ

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/OYMMQ3XZ2GWOQUIDX4ZJX2HUJ6 \
  | 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: 7618c86ef9d1ace85103bf329be8f44f89ed6a99bf99ba254804c4334712943f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "09a9e11d2799bf72f0ecc5119f8d235c5744a3acbbd3ab1dd4681a64f47b88a3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-01-14T13:41:08Z",
    "title_canon_sha256": "b438351789cb12bf66bc810bd3f29ba3494a8669ed0707c0f0d65f8343a480ad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1001.2458",
    "kind": "arxiv",
    "version": 3
  }
}