Pith Number

pith:52R5IJWQ

pith:2016:52R5IJWQTMD5FAB5B2G6E5OUQQ

not attested not anchored not stored refs pending

Night-sky brightness and extinction at Mt. Shatdzhatmaz

B. Safonov, D. Cheryasov, I. Gorbunov, M. Kornilov, Moscow, N. Shatsky, O. Voziakova, Russia), S. Potanin, Sternberg Astronomical Institute, V. Kornilov, V. Senik (Lomonosov Moscow State University

arxiv:1607.07637 v1 · 2016-07-26 · 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{52R5IJWQTMD5FAB5B2G6E5OUQQ}

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	2026-05-18T01:04:10.395549Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eea3d426d09b07d2803d0e8de275d484123cb386b1b6db2232f5045ecd935efc

Aliases

arxiv: 1607.07637 · arxiv_version: 1607.07637v1 · doi: 10.48550/arxiv.1607.07637 · pith_short_12: 52R5IJWQTMD5 · pith_short_16: 52R5IJWQTMD5FAB5 · pith_short_8: 52R5IJWQ

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/52R5IJWQTMD5FAB5B2G6E5OUQQ \
  | 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: eea3d426d09b07d2803d0e8de275d484123cb386b1b6db2232f5045ecd935efc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9a32521056d1241eb076c4295b3884428f9b29778a0e63e116f491a2b01f87f8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2016-07-26T10:55:01Z",
    "title_canon_sha256": "09927249f75738fcb8da6079226a40e96639edb8f59727302dac7756bdde02ad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.07637",
    "kind": "arxiv",
    "version": 1
  }
}