Pith Number

pith:225ZS7NR

pith:2017:225ZS7NRZKIDRO4TU6BCE3Q2TG

not attested not anchored not stored refs pending

Verification of operational solar flare forecast: Case of Regional Warning Center Japan

Mamoru Ishii, Mitsue Den, Y\^uki Kubo

arxiv:1707.07903 v1 · 2017-07-25 · astro-ph.SR · physics.data-an · physics.space-ph · stat.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{225ZS7NRZKIDRO4TU6BCE3Q2TG}

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	2026-05-18T00:36:47.260621Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d6bb997db1ca9038bb93a782226e1a99b8a0c1673d83562a5b17ecf7854ac0ee

Aliases

arxiv: 1707.07903 · arxiv_version: 1707.07903v1 · doi: 10.48550/arxiv.1707.07903 · pith_short_12: 225ZS7NRZKID · pith_short_16: 225ZS7NRZKIDRO4T · pith_short_8: 225ZS7NR

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/225ZS7NRZKIDRO4TU6BCE3Q2TG \
  | 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: d6bb997db1ca9038bb93a782226e1a99b8a0c1673d83562a5b17ecf7854ac0ee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3fa37c86a68ad7292b51bba17585c4e37a52365d79b5e40486ececd9de1f9533",
    "cross_cats_sorted": [
      "physics.data-an",
      "physics.space-ph",
      "stat.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2017-07-25T10:36:02Z",
    "title_canon_sha256": "0c88c5c09d2ba44b0e5aa53816bf9d1dca8858246fe9311c9efe978896354f10"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.07903",
    "kind": "arxiv",
    "version": 1
  }
}