Pith Number

pith:YQBSGWHI

pith:2012:YQBSGWHISLGZW5NQ74D4JC5GTH

not attested not anchored not stored refs pending

The system software development for Prime Focus Spectrogrsph on Subaru Telescope

Atsushi Shimono, Hajime Sugai, Hiroshi Karoji (Kavli Institute for the Physics, Japan), Mathematics of the Universe, Naoyuki Tamura, The University of Tokyo

arxiv:1210.2729 v1 · 2012-10-09 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YQBSGWHISLGZW5NQ74D4JC5GTH}

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 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.

Receipt and verification

First computed	2026-05-18T03:43:31.645825Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c4032358e892cd9b75b0ff07c48ba699e02ba558a180375440bb963030df7686

Aliases

arxiv: 1210.2729 · arxiv_version: 1210.2729v1 · doi: 10.48550/arxiv.1210.2729 · pith_short_12: YQBSGWHISLGZ · pith_short_16: YQBSGWHISLGZW5NQ · pith_short_8: YQBSGWHI

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/YQBSGWHISLGZW5NQ74D4JC5GTH \
  | 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: c4032358e892cd9b75b0ff07c48ba699e02ba558a180375440bb963030df7686

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3a0dd29fc6cc0db7f2f51e29015d03fd088bbc85138702a66d977a9fd7a6b673",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2012-10-09T20:00:56Z",
    "title_canon_sha256": "43ee3ca5058537c5765ac162825cb76afea257f76991d8f705dcabf9e2f6fe18"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.2729",
    "kind": "arxiv",
    "version": 1
  }
}