Pith Number

pith:IHGM4WEW

pith:2018:IHGM4WEWP74P6XY3QFXOCDU6Q4

not attested not anchored not stored refs pending

Fiber mode scrambler for the Subaru infrared Doppler instrument (IRD)

Jun Nishikawa, Masato Ishizuka, Motohide Tamura, Takahiro Mori, Takashi Kurokawa, Takayuki Kotani, Tsukasa Kokubo

arxiv:1803.08702 v1 · 2018-03-23 · astro-ph.IM · astro-ph.EP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IHGM4WEWP74P6XY3QFXOCDU6Q4}

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	2026-05-18T00:17:03.766965Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

41ccce58967ff8ff5f1b816ee10e9e871c2ac43d9e4ec01348c588cd49bcf40a

Aliases

arxiv: 1803.08702 · arxiv_version: 1803.08702v1 · doi: 10.48550/arxiv.1803.08702 · pith_short_12: IHGM4WEWP74P · pith_short_16: IHGM4WEWP74P6XY3 · pith_short_8: IHGM4WEW

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/IHGM4WEWP74P6XY3QFXOCDU6Q4 \
  | 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: 41ccce58967ff8ff5f1b816ee10e9e871c2ac43d9e4ec01348c588cd49bcf40a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e513fb774e206dd55fad0cf9916dc472dca50f3b2c9fa783bc7b9b14433189a3",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2018-03-23T09:20:56Z",
    "title_canon_sha256": "4f72f4ad104a37aa696926b6bb81f0b44f3bab9893a5fdeec834c5802f93205e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.08702",
    "kind": "arxiv",
    "version": 1
  }
}