Pith Number

pith:R2KP2BQH

pith:2024:R2KP2BQHP2CP6O2ZGV5KMK6WNI

not attested not anchored not stored refs pending

Maunakea Spectroscopic Explorer exposure time calculator for end-to-end simulator: to optimizing spectrograph design and observing simulation

Changgon Kim, Christian Surace, Hojae Ahn, Jennifer L. Marshall, Jennifer Sobeck, Kei Szeto, Mingyeong Yang, Soojong Pak, Sungwook E. Hong, Taeeun Kim, Tae-Geun Ji

arxiv:2401.08152 v1 · 2024-01-16 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{R2KP2BQHP2CP6O2ZGV5KMK6WNI}

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.

Receipt and verification

First computed	2026-07-05T07:34:08.213157Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8e94fd06077e84ff3b59357aa62bd66a10a51ae52662ee4cd95a3c62ece20743

Aliases

arxiv: 2401.08152 · arxiv_version: 2401.08152v1 · doi: 10.48550/arxiv.2401.08152 · pith_short_12: R2KP2BQHP2CP · pith_short_16: R2KP2BQHP2CP6O2Z · pith_short_8: R2KP2BQH

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/R2KP2BQHP2CP6O2ZGV5KMK6WNI \
  | 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: 8e94fd06077e84ff3b59357aa62bd66a10a51ae52662ee4cd95a3c62ece20743

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0517c00ebc27a1d45cbae04127b86bc7d8948834b1d54a2bbbee544b0aea8d3d",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2024-01-16T06:50:40Z",
    "title_canon_sha256": "590a903466c8d59504fd6ae26b2761309c58369bc7b89b6543a9f7a6e8fb275d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2401.08152",
    "kind": "arxiv",
    "version": 1
  }
}