Pith Number
pith:MCUH7RVT
pith:2013:MCUH7RVT2E77ZNYU5Z7D72TAHS
not attested
not anchored
not stored
refs pending
Discovery of TeV gamma-ray emission from PKS 0447-439 and derivation of an upper limit on its redshift
arxiv:1303.1628 v1 · 2013-03-07 · astro-ph.HE
Add to your LaTeX paper
\usepackage{pith}
\pithnumber{MCUH7RVT2E77ZNYU5Z7D72TAHS}
Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more
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 | 2026-05-18T01:51:15.838562Z |
|---|---|
| Builder | pith-number-builder-2026-05-17-v1 |
| Signature | Pith Ed25519
(pith-v1-2026-05) · public key |
| Schema | pith-number/v1.0 |
Canonical hash
60a87fc6b3d13ffcb714ee7e3fea603c92368b7aad5193b311ff8951b12c0da3
Aliases
· · · · ·Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/MCUH7RVT2E77ZNYU5Z7D72TAHS \
| 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: 60a87fc6b3d13ffcb714ee7e3fea603c92368b7aad5193b311ff8951b12c0da3
Canonical record JSON
{
"metadata": {
"abstract_canon_sha256": "be4d07546eaac9767bb91b8bf63cdb01e5d61449a432577f725ce148a9959cec",
"cross_cats_sorted": [],
"license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
"primary_cat": "astro-ph.HE",
"submitted_at": "2013-03-07T09:39:25Z",
"title_canon_sha256": "b75b0f8566043e98433f921e415b36eee8a9eb76cc83bc4333bf830eb604f89c"
},
"schema_version": "1.0",
"source": {
"id": "1303.1628",
"kind": "arxiv",
"version": 1
}
}