Pith Number

pith:U7GGWKH7

pith:2008:U7GGWKH7KTXE2Q7ZBBEJZ5E3QX

not attested not anchored not stored refs pending

Reduction of CCD observations obtained with the Fabry-Perot scanning interferometer. II. Additional Procedures

(2) Sternberg Astronomical Institute, A.V. Moiseev (1), Moscow, O.V.Egorov (2) ((1) Special Astrophysical Observatory, Russia, Russia)

arxiv:0805.2367 v1 · 2008-05-15 · 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{U7GGWKH7KTXE2Q7ZBBEJZ5E3QX}

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	2026-05-18T04:14:36.510604Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a7cc6b28ff54ee4d43f908489cf49b85f88ae40f63a53d821693af1cfa126427

Aliases

arxiv: 0805.2367 · arxiv_version: 0805.2367v1 · doi: 10.48550/arxiv.0805.2367 · pith_short_12: U7GGWKH7KTXE · pith_short_16: U7GGWKH7KTXE2Q7Z · pith_short_8: U7GGWKH7

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/U7GGWKH7KTXE2Q7ZBBEJZ5E3QX \
  | 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: a7cc6b28ff54ee4d43f908489cf49b85f88ae40f63a53d821693af1cfa126427

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0fe85c79bbbfd74bf4b64ae556b3ea69b83c23bcda8fe75b92cba97549a27e3f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-05-15T17:45:28Z",
    "title_canon_sha256": "b7ae188479e37145366aff8d0c339325a460a495e716bd98314dd29d0d6aab0d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0805.2367",
    "kind": "arxiv",
    "version": 1
  }
}