Pith Number

pith:GAQZK33M

pith:2017:GAQZK33MZI4LRPQNRTYQ3ZKWUK

not attested not anchored not stored refs pending

Night sky quality monitoring in existing and planned dark sky parks by digital cameras

Anita D\"om\'eny, Zolt\'an Koll\'ath

arxiv:1705.09594 v1 · 2017-05-26 · 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{GAQZK33MZI4LRPQNRTYQ3ZKWUK}

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	2026-05-18T00:43:38.286003Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3021956f6cca38b8be0d8cf10de556a28e461e68760459e5d9a31715d4b0c8df

Aliases

arxiv: 1705.09594 · arxiv_version: 1705.09594v1 · doi: 10.48550/arxiv.1705.09594 · pith_short_12: GAQZK33MZI4L · pith_short_16: GAQZK33MZI4LRPQN · pith_short_8: GAQZK33M

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/GAQZK33MZI4LRPQNRTYQ3ZKWUK \
  | 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: 3021956f6cca38b8be0d8cf10de556a28e461e68760459e5d9a31715d4b0c8df

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5469c34c919139a48e52412f12f6b355e5e29021fe4f164a42fffcdfa6845c98",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2017-05-26T14:26:10Z",
    "title_canon_sha256": "a4a45588536bac1221f808eaebc40a8858594c3c5177ca79198dba30fddef902"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.09594",
    "kind": "arxiv",
    "version": 1
  }
}