Pith Number

pith:Q5HGLPVH

pith:2024:Q5HGLPVHE5NJTTWBD25XLWFGZG

not attested not anchored not stored refs pending

The catalog of Hvar Observatory solar observations

Akshay Kumar Remeshan, Bojan Vrsnak, Filip Matkovic, Jasa Calogovic, Karmen Martinic, Luci Karbonini, Mateja Dumbovic, Roman Brajsa

arxiv:2404.18576 v1 · 2024-04-29 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Q5HGLPVHE5NJTTWBD25XLWFGZG}

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	2026-07-05T08:13:17.801726Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

874e65bea7275a99cec11ebb75d8a6c9b7020cde188d131c7a467ce0e35386f4

Aliases

arxiv: 2404.18576 · arxiv_version: 2404.18576v1 · doi: 10.48550/arxiv.2404.18576 · pith_short_12: Q5HGLPVHE5NJ · pith_short_16: Q5HGLPVHE5NJTTWB · pith_short_8: Q5HGLPVH

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/Q5HGLPVHE5NJTTWBD25XLWFGZG \
  | 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: 874e65bea7275a99cec11ebb75d8a6c9b7020cde188d131c7a467ce0e35386f4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "33d81fbe32c7df9fdd5dee9a48bbbd79f14fc97809038cf9c4cfeef31d4fc546",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2024-04-29T10:32:59Z",
    "title_canon_sha256": "7480939e6ec3962e0ebb9e1074a4b318b0b5d3836bc0fbbecc9f4c1d061d9db2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2404.18576",
    "kind": "arxiv",
    "version": 1
  }
}