Pith Number
pith:ICAUPCZU
pith:2012:ICAUPCZUNEL2ZQTKR4OUZ33NYM
not attested
not anchored
not stored
refs pending
Optical Flux and Spectral Variability of Blazars
arxiv:1207.5943 v1 · 2012-07-25 · astro-ph.HE
Add to your LaTeX paper
\usepackage{pith}
\pithnumber{ICAUPCZUNEL2ZQTKR4OUZ33NYM}
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
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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.
Receipt and verification
| First computed | 2026-05-18T03:06:43.072042Z |
|---|---|
| Builder | pith-number-builder-2026-05-17-v1 |
| Signature | Pith Ed25519
(pith-v1-2026-05) · public key |
| Schema | pith-number/v1.0 |
Canonical hash
4081478b346917acc26a8f1d4cef6dc314d2065068ad5241731c1ab1f71893cf
Aliases
· · · · ·Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/ICAUPCZUNEL2ZQTKR4OUZ33NYM \
| 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: 4081478b346917acc26a8f1d4cef6dc314d2065068ad5241731c1ab1f71893cf
Canonical record JSON
{
"metadata": {
"abstract_canon_sha256": "019f3b38fdd22bf112ee779105a97aa6462c20164dcd68346be4f0be78899a20",
"cross_cats_sorted": [],
"license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
"primary_cat": "astro-ph.HE",
"submitted_at": "2012-07-25T10:13:52Z",
"title_canon_sha256": "ccac7175ad78487a83418a5447b8a51133bc2fd467363e82aabdd9284093fa2e"
},
"schema_version": "1.0",
"source": {
"id": "1207.5943",
"kind": "arxiv",
"version": 1
}
}