Pith Number
pith:O6UYSF66
pith:2013:O6UYSF665LT7D4OL7LI5D46TKN
not attested
not anchored
not stored
refs pending
The Size of the Narrow-Line Emitting Region in the Seyfert 1 Galaxy NGC 5548 from Emission-Line Variability
arxiv:1309.1468 v2 · 2013-09-05 · astro-ph.CO
Add to your LaTeX paper
\usepackage{pith}
\pithnumber{O6UYSF665LT7D4OL7LI5D46TKN}
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Record completeness
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Bitcoin timestamp
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4
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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 | 2026-05-18T01:47:49.328015Z |
|---|---|
| Builder | pith-number-builder-2026-05-17-v1 |
| Signature | Pith Ed25519
(pith-v1-2026-05) · public key |
| Schema | pith-number/v1.0 |
Canonical hash
77a98917deeae7f1f1cbfad1d1f3d3535851788b01358231d4030ff064bbd80d
Aliases
· · · · ·Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/O6UYSF665LT7D4OL7LI5D46TKN \
| 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: 77a98917deeae7f1f1cbfad1d1f3d3535851788b01358231d4030ff064bbd80d
Canonical record JSON
{
"metadata": {
"abstract_canon_sha256": "bf0f9ea5e171a769f7e3747da0381b1c0d3601da2ed890618bfdeccdef2020d3",
"cross_cats_sorted": [],
"license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
"primary_cat": "astro-ph.CO",
"submitted_at": "2013-09-05T20:00:01Z",
"title_canon_sha256": "88c146b4111bbd29ecdefbd16246d3f89731257fb24ef89a747a24ac93241895"
},
"schema_version": "1.0",
"source": {
"id": "1309.1468",
"kind": "arxiv",
"version": 2
}
}