Pith Number

pith:2KOGQU3Z

pith:2018:2KOGQU3Z2CTGS6CPOSX6NL5S6F

not attested not anchored not stored refs pending

Maunakea Spectroscopic Explorer (MSE): Implementing systems engineering methodology for the development of a new facility

Alan McConnachie, Alexis Hill, Calum Hervieu, Kei Szeto, Mick Edgar, Nicolas Flagey, Peter Gillingham, Richard Murowinski, Shan Mignot

arxiv:1807.08027 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{2KOGQU3Z2CTGS6CPOSX6NL5S6F}

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	2026-05-18T00:10:09.594695Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d29c685379d0a669784f74afe6afb2f179eec577d55568166b0545cb141e6011

Aliases

arxiv: 1807.08027 · arxiv_version: 1807.08027v1 · doi: 10.48550/arxiv.1807.08027 · pith_short_12: 2KOGQU3Z2CTG · pith_short_16: 2KOGQU3Z2CTGS6CP · pith_short_8: 2KOGQU3Z

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/2KOGQU3Z2CTGS6CPOSX6NL5S6F \
  | 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: d29c685379d0a669784f74afe6afb2f179eec577d55568166b0545cb141e6011

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0c17afdc0e1752c144ebc9c3d1010ad8d96d22d31946331f630e55aa53d94ce5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2018-07-20T20:55:06Z",
    "title_canon_sha256": "fbd532de07ee0d671b3101ee96eb36f21a7a73465c9973692ca291f22525d2d6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.08027",
    "kind": "arxiv",
    "version": 1
  }
}