Pith Number

pith:C2I4RXXQ

pith:2026:C2I4RXXQNMTLZY5ZTPU72KAEFW

not attested not anchored not stored refs pending

A Compact, Ultra-High Resolution VIPA Spectrograph for Solar Spectroscopic Observations: Astrocomb Characterization and First Light

Dong Xiao, Huiqi Ye, Jinping He, P. F. Chen, Xiaoli Yan, Xiaoming Zhu, Yutao Wang

arxiv:2606.06793 v1 · 2026-06-05 · astro-ph.SR · 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{C2I4RXXQNMTLZY5ZTPU72KAEFW}

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	2026-06-08T01:04:28.602577Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1691c8def06b26bce3b99be9fd28042d8800d48e14601fd370468cabee04570a

Aliases

arxiv: 2606.06793 · arxiv_version: 2606.06793v1 · doi: 10.48550/arxiv.2606.06793 · pith_short_12: C2I4RXXQNMTL · pith_short_16: C2I4RXXQNMTLZY5Z · pith_short_8: C2I4RXXQ

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/C2I4RXXQNMTLZY5ZTPU72KAEFW \
  | 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: 1691c8def06b26bce3b99be9fd28042d8800d48e14601fd370468cabee04570a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "182a7c5f856a8e8650d5f6fd61602a0a45a447a5e033287570ea5b8c826c9427",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2026-06-05T00:41:41Z",
    "title_canon_sha256": "414708527abdd85413290a34b0fc49d34460feaf93223fab5d5aeefc8e2572b6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.06793",
    "kind": "arxiv",
    "version": 1
  }
}