Pith Number

pith:VZKG2EFB

pith:2010:VZKG2EFBFLUQUGTNDR67SEIZ5Y

not attested not anchored not stored refs pending

Ca II K Spectral Study of an Emerging Flux Region using Domeless Solar Telescope in Hida Observatory

Hiroaki Isobe, Kazunari Shibata, Kenichi Otsuji, Kiyoshi Ichimoto, Reizaburo Kitai, Satoru UeNo, Shin'ichi Nagata, Takuma Matsumoto

arxiv:1005.2025 v1 · 2010-05-12 · 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{VZKG2EFBFLUQUGTNDR67SEIZ5Y}

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	2026-05-18T02:07:33.837461Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ae546d10a12ae90a1a6d1c7df91119ee16ac24cfd63c795c467bc1d75b5c1ee5

Aliases

arxiv: 1005.2025 · arxiv_version: 1005.2025v1 · doi: 10.48550/arxiv.1005.2025 · pith_short_12: VZKG2EFBFLUQ · pith_short_16: VZKG2EFBFLUQUGTN · pith_short_8: VZKG2EFB

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/VZKG2EFBFLUQUGTNDR67SEIZ5Y \
  | 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: ae546d10a12ae90a1a6d1c7df91119ee16ac24cfd63c795c467bc1d75b5c1ee5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "30bb229179a46a4822f85c7839bae3c73dac3fc735964e26d5384dc7965f96eb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-05-12T09:33:17Z",
    "title_canon_sha256": "4376f508e1cd4d8a788bf8ef5b19e91bf31f248b771d28e05e23ef43d3217822"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1005.2025",
    "kind": "arxiv",
    "version": 1
  }
}