Pith Number

pith:MO3YIKDK

pith:2012:MO3YIKDK5W4SQEO7CQ63D2FIGN

not attested not anchored not stored refs pending

A spectrograph instrument concept for the Prime Focus Spectrograph (PFS) on Subaru Telescope

David Le Mignant, Eric Prieto, Fabrice Madec, Hajime Sugai, James Gunn, Laurent Martin, Marc Jaquet, Michael Carr, Naoyuki Tamura, Olivier Le F\`evre, Robert Barkhouser, S\'ebastien Vives, Stephen Smee

arxiv:1210.2728 v1 · 2012-10-09 · 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{MO3YIKDK5W4SQEO7CQ63D2FIGN}

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	2026-05-18T03:43:31.656963Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

63b784286aedb92811df143db1e8a8337eaf9f4997f84cf389e035fa10fe7559

Aliases

arxiv: 1210.2728 · arxiv_version: 1210.2728v1 · doi: 10.48550/arxiv.1210.2728 · pith_short_12: MO3YIKDK5W4S · pith_short_16: MO3YIKDK5W4SQEO7 · pith_short_8: MO3YIKDK

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/MO3YIKDK5W4SQEO7CQ63D2FIGN \
  | 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: 63b784286aedb92811df143db1e8a8337eaf9f4997f84cf389e035fa10fe7559

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ebf80324b173654f2da4aba959ef9aaf7db53d83506e6d38527ebd36c8908d53",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2012-10-09T20:00:54Z",
    "title_canon_sha256": "2f2624a48dc3c0621a205f7927ee9f22bd414b883bec684356256bab726906a5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.2728",
    "kind": "arxiv",
    "version": 1
  }
}