Pith Number

pith:XFA4RZFU

pith:2004:XFA4RZFUIVVP5K74IO562BQBEF

not attested not anchored not stored refs pending

Current Performance and On-Going Improvements of the 8.2 m Subaru Telescope

et al, Hiroshi Karoji, Hiroyasu Ando, Keiichi Kodaira, Masanori Iye, Norio Kaifu

arxiv:astro-ph/0405012 v2 · 2004-05-03 · astro-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XFA4RZFUIVVP5K74IO562BQBEF}

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 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

1 paper in Pith

From Large Telescopes to the MUltiplexed Survey Telescope (MUST)

Receipt and verification

First computed	2026-05-18T01:40:37.079065Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b941c8e4b4456afeabfc43bbed060121489c3aba3a25f0059bfba2342a9b28b0

Aliases

arxiv: astro-ph/0405012 · arxiv_version: astro-ph/0405012v2 · doi: 10.48550/arxiv.astro-ph/0405012 · pith_short_12: XFA4RZFUIVVP · pith_short_16: XFA4RZFUIVVP5K74 · pith_short_8: XFA4RZFU

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/XFA4RZFUIVVP5K74IO562BQBEF \
  | 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: b941c8e4b4456afeabfc43bbed060121489c3aba3a25f0059bfba2342a9b28b0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "29905b4430234fc5dc870e67bcdaa657a0afc7ee68fa2d228922c2a548029550",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-05-03T07:29:10Z",
    "title_canon_sha256": "8686d9e3b9c8be81f078abf559c23f988c9a908cdbbfa7e50b3d09bf618c8c7b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0405012",
    "kind": "arxiv",
    "version": 2
  }
}