Pith Number

pith:DENFXYBU

pith:2018:DENFXYBUNJNOCE2BMHRW553A6L

not attested not anchored not stored refs pending

Expected observing efficiency of the Maunakea Spectroscopic Explorer (MSE)

Alan McConnachie, Alexis Hill, Billy Mahoney, Calum Hervieu, Kei Seto, Kevin Ho, Nicolas Flagey

arxiv:1807.08033 v1 · 2018-07-20 · 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{DENFXYBUNJNOCE2BMHRW553A6L}

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	2026-05-18T00:10:09.575874Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

191a5be0346a5ae1134161e36ef760f2d2f04975e1241ed506bc9921b20f0987

Aliases

arxiv: 1807.08033 · arxiv_version: 1807.08033v1 · doi: 10.48550/arxiv.1807.08033 · pith_short_12: DENFXYBUNJNO · pith_short_16: DENFXYBUNJNOCE2B · pith_short_8: DENFXYBU

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/DENFXYBUNJNOCE2BMHRW553A6L \
  | 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: 191a5be0346a5ae1134161e36ef760f2d2f04975e1241ed506bc9921b20f0987

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c7575170296b9c41bd7083ebf0d8c338c6279eee846f3b10803bd19728d0ff1b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2018-07-20T21:14:44Z",
    "title_canon_sha256": "8595c2a68a8a9a5836451edcc387e73e3fed9fbcfb70160072c85d4f1b824676"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.08033",
    "kind": "arxiv",
    "version": 1
  }
}