Pith Number

pith:PTCG65JZ

pith:2015:PTCG65JZ6I6BTWS45PUBMMM5BX

not attested not anchored not stored refs pending

Ensemble Forecasting of Major Solar Flares -- First Results

A. Pulkkinen, J. A. Guerra, V. M. Uritsky

arxiv:1504.04571 v3 · 2015-04-06 · physics.space-ph · 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{PTCG65JZ6I6BTWS45PUBMMM5BX}

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	2026-05-18T01:22:40.501985Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7cc46f7539f23c19da5cebe816319d0de2137dfeb9984bbcea346d2b0846e6bf

Aliases

arxiv: 1504.04571 · arxiv_version: 1504.04571v3 · doi: 10.48550/arxiv.1504.04571 · pith_short_12: PTCG65JZ6I6B · pith_short_16: PTCG65JZ6I6BTWS4 · pith_short_8: PTCG65JZ

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/PTCG65JZ6I6BTWS45PUBMMM5BX \
  | 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: 7cc46f7539f23c19da5cebe816319d0de2137dfeb9984bbcea346d2b0846e6bf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3cdccd252988f515319df89caee58480e5be32e5dabd31a741581df7d7fabb6c",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.space-ph",
    "submitted_at": "2015-04-06T00:52:23Z",
    "title_canon_sha256": "8d37119bece0e7cc2a57deb4a1ea57042c4a97a2fe8aa5e96d767b20abecff55"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.04571",
    "kind": "arxiv",
    "version": 3
  }
}