Pith Number

pith:GFJ5Z3VX

pith:2018:GFJ5Z3VXV3Y4WLI5DOC6I3JB4P

not attested not anchored not stored refs pending

Maunakea Spectroscopic Explorer (MSE) - The Prime Focus Subsystems: Requirements and Interfaces

Alexandre Blin, Alexis Hill, David Horville, Kei Szeto, Shan Mignot

arxiv:1807.09180 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{GFJ5Z3VXV3Y4WLI5DOC6I3JB4P}

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	2026-05-18T00:09:56.519019Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3153dceeb7aef1cb2d1d1b85e46d21e3ea386b83039ce4f9f2001a51dd017855

Aliases

arxiv: 1807.09180 · arxiv_version: 1807.09180v1 · doi: 10.48550/arxiv.1807.09180 · pith_short_12: GFJ5Z3VXV3Y4 · pith_short_16: GFJ5Z3VXV3Y4WLI5 · pith_short_8: GFJ5Z3VX

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/GFJ5Z3VXV3Y4WLI5DOC6I3JB4P \
  | 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: 3153dceeb7aef1cb2d1d1b85e46d21e3ea386b83039ce4f9f2001a51dd017855

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8434a014e0aefe8a4eb3a36d69066142120f054c51b017e21df4f46a8213c6c7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2018-07-20T22:08:35Z",
    "title_canon_sha256": "189c12b771e4835c58fd110062a53052be2cd949facb2639e603d8d3a7aecfeb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.09180",
    "kind": "arxiv",
    "version": 1
  }
}