Pith Number

pith:BDUXQEXA

pith:2017:BDUXQEXAMWVODCJCW4TV4OXPUH

not attested not anchored not stored refs pending

Transmission profile of the Dutch Open Telescope H$\alpha$ Lyot filter

(2) Leiden Observatory, A. Ku\v{c}era (1), J. Koza (1), J. Ryb\'ak (1), Leiden, P. G\"om\"ory (1), P. Schwartz (1) ((1) Astronomical Institute of the Slovak Academy of Sciences, R.H. Hammerschlag (2), Tatransk\'a Lomnica, the Netherlands), The Slovak Republic

arxiv:1712.09253 v1 · 2017-12-26 · 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{BDUXQEXAMWVODCJCW4TV4OXPUH}

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	2026-05-18T00:27:14.083746Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

08e97812e065aae18922b7275e3aefa1d1493a2fd25462ae6b49e51f7dd81916

Aliases

arxiv: 1712.09253 · arxiv_version: 1712.09253v1 · doi: 10.48550/arxiv.1712.09253 · pith_short_12: BDUXQEXAMWVO · pith_short_16: BDUXQEXAMWVODCJC · pith_short_8: BDUXQEXA

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/BDUXQEXAMWVODCJCW4TV4OXPUH \
  | 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: 08e97812e065aae18922b7275e3aefa1d1493a2fd25462ae6b49e51f7dd81916

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6485d5c10905d3dd292618049f11dea7ac466526d6162565b98474c9bde00993",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2017-12-26T12:38:06Z",
    "title_canon_sha256": "63fb6e264987b5b3f2085fb5722a6bee899cea10b8904b2b433a68e694d8aaaa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.09253",
    "kind": "arxiv",
    "version": 1
  }
}