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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

A. L\"ahteenm\"aki, E. Valtaoja, M. Tornikoski, T. Hovatta

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 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.

Cited by

5 papers in Pith

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

arxiv: 0811.4278 · arxiv_version: 0811.4278v1 · doi: 10.48550/arxiv.0811.4278 · pith_short_12: Z5A62VA7KPDO · pith_short_16: Z5A62VA7KPDONCK7 · pith_short_8: Z5A62VA7
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
  }
}