Pith Number
pith:U2IRKFST
pith:2014:U2IRKFST5E3H6KASI5ONANQJIE
not attested
not anchored
not stored
refs pending
Progress with the Prime Focus Spectrograph for the Subaru Telescope: a massively multiplexed optical and near-infrared fiber spectrograph
arxiv:1408.2825 v1 · 2014-08-12 · astro-ph.IM
Add to your LaTeX paper
\usepackage{pith}
\pithnumber{U2IRKFST5E3H6KASI5ONANQJIE}
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 | 2026-05-18T01:42:21.238068Z |
|---|---|
| Builder | pith-number-builder-2026-05-17-v1 |
| Signature | Pith Ed25519
(pith-v1-2026-05) · public key |
| Schema | pith-number/v1.0 |
Canonical hash
a691151653e9367f2812475cd03609413c21c8995a7ba0f1be2165fed5e57430
Aliases
· · · · ·Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/U2IRKFST5E3H6KASI5ONANQJIE \
| 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: a691151653e9367f2812475cd03609413c21c8995a7ba0f1be2165fed5e57430
Canonical record JSON
{
"metadata": {
"abstract_canon_sha256": "35e1cf04d243eb613740f7da6913b832d103f896c27e514d2820399fce28011c",
"cross_cats_sorted": [],
"license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
"primary_cat": "astro-ph.IM",
"submitted_at": "2014-08-12T20:00:00Z",
"title_canon_sha256": "084b97602ddcaf8c858a6ca396162377ef3b022f6af9283186e7a69775dac7fc"
},
"schema_version": "1.0",
"source": {
"id": "1408.2825",
"kind": "arxiv",
"version": 1
}
}