Pith Number

pith:6ZJYTS5N

pith:1998:6ZJYTS5NDZHYZM45AI7P3OO7PT

not attested not anchored not stored refs pending

Measurement of sky clarity using FIR radiometers as an adjunct to atmospheric Cerenkov radiation measurements

D.J. Buckley, K.E. Turver (University of Durham), M.C. Dorrington, P.J. Edwards, S.P. Tummey, T.J.L. McComb

arxiv:astro-ph/9810496 v1 · 1998-10-30 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6ZJYTS5NDZHYZM45AI7P3OO7PT}

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	2026-07-04T14:16:16.268371Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f65389cbad1e4f8cb39d023efdb9df7ce45d5bc409f5ff674dca48b646e0e461

Aliases

arxiv: astro-ph/9810496 · arxiv_version: astro-ph/9810496v1 · doi: 10.48550/arxiv.astro-ph/9810496 · pith_short_12: 6ZJYTS5NDZHY · pith_short_16: 6ZJYTS5NDZHYZM45 · pith_short_8: 6ZJYTS5N

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/6ZJYTS5NDZHYZM45AI7P3OO7PT \
  | 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: f65389cbad1e4f8cb39d023efdb9df7ce45d5bc409f5ff674dca48b646e0e461

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1cb0ee444751ca7d68b6e53c15d2d28daa51971aa262bc5a3127e8b0b1deae6b",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1998-10-30T14:05:13Z",
    "title_canon_sha256": "02c2551603d40558748be42e6aea17fc8ff09755637657c38eb1e91f576162df"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9810496",
    "kind": "arxiv",
    "version": 1
  }
}