Pith Number

pith:FATI4ZHT

pith:2018:FATI4ZHTNU2FSY6BZ6QKNI7VCB

not attested not anchored not stored refs pending

Maunakea Spectroscopic Explorer (MSE) Instrumentation Suite

Alan McConnachie, Alexis Hill, Kei Szeto, Nicolas Flagey, Rick Murowinski

arxiv:1807.08017 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{FATI4ZHTNU2FSY6BZ6QKNI7VCB}

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	2026-05-18T00:10:14.482374Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28268e64f36d345963c1cfa0a6a3f5106fdceb9e09ff8b00a2de4c8e03dae775

Aliases

arxiv: 1807.08017 · arxiv_version: 1807.08017v1 · doi: 10.48550/arxiv.1807.08017 · pith_short_12: FATI4ZHTNU2F · pith_short_16: FATI4ZHTNU2FSY6B · pith_short_8: FATI4ZHT

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/FATI4ZHTNU2FSY6BZ6QKNI7VCB \
  | 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: 28268e64f36d345963c1cfa0a6a3f5106fdceb9e09ff8b00a2de4c8e03dae775

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8875f56ec06020eec629f818287000e3e1eb5f4b77cf4bbb6e4688cfbfd57b75",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2018-07-20T20:16:02Z",
    "title_canon_sha256": "ff3afaddb10d6396f57dc54c78535d970eb641b099bfe3db4402621448fcb10e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.08017",
    "kind": "arxiv",
    "version": 1
  }
}