Pith Number
pith:Z5A62VA7
pith:2008:Z5A62VA7KPDONCK76QUGZPWB3E
not attested
not anchored
not stored
refs pending
Doppler factors, Lorentz factors and viewing angles for quasars, BL Lacertae objects and radio galaxies
arxiv:0811.4278 v1 · 2008-11-26 · astro-ph
Add to your LaTeX paper
\usepackage{pith}
\pithnumber{Z5A62VA7KPDONCK76QUGZPWB3E}
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Record completeness
1
Bitcoin timestamp
2
Internet Archive
3
Author claim
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claim
4
Citations
5
Replications
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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.
Cited by
Receipt and verification
| First computed | 2026-07-04T17:13:45.583200Z |
|---|---|
| Builder | pith-number-builder-2026-05-17-v1 |
| Signature | Pith Ed25519
(pith-v1-2026-05) · public key |
| Schema | pith-number/v1.0 |
Canonical hash
cf41ed541f53c6e6895ff4286cbec1d9273909c6f00e8c2c1238fdaaed364e5d
Aliases
· · · · ·Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/Z5A62VA7KPDONCK76QUGZPWB3E \
| 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: cf41ed541f53c6e6895ff4286cbec1d9273909c6f00e8c2c1238fdaaed364e5d
Canonical record JSON
{
"metadata": {
"abstract_canon_sha256": "efa86377983c02e22b2244f4e8d0828f1dae35e536ae71c81d0b0ee55097a18a",
"cross_cats_sorted": [],
"license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
"primary_cat": "astro-ph",
"submitted_at": "2008-11-26T11:47:30Z",
"title_canon_sha256": "893302fb6298c98a4e982f5b24733b3836b4ee02743d382fc95dc5a7c5b314ac"
},
"schema_version": "1.0",
"source": {
"id": "0811.4278",
"kind": "arxiv",
"version": 1
}
}