Pith Number

pith:VXHXV5RC

pith:2020:VXHXV5RCDLLSACI2SL7KAEPZ7K

not attested not anchored not stored refs pending

The Extreme Space Weather Event in 1903 October/November: An Outburst from the Quiet Sun

Ana Caccavari, Ankush Bhaskar, Bhaskara Veenadhari, Delores J. Knipp, Denny M. Oliveira, Florian Mekhaldi, Hisashi Hayakawa, Jos\'e M. Vaquero, Mar\'ia Cruz Gallego, Paulo Ribeiro, Shyamoli Mukherjee, V\'ictor M. S. Carrasco, Yusuke Ebihara, Yuta Notsu

arxiv:2001.04575 v1 · 2020-01-14 · astro-ph.SR · physics.space-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VXHXV5RCDLLSACI2SL7KAEPZ7K}

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	2026-07-05T00:33:27.093256Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

adcf7af6221ad720091a92fea011f9fa898781c83771f16e86ff40ebc8cad09c

Aliases

arxiv: 2001.04575 · arxiv_version: 2001.04575v1 · doi: 10.48550/arxiv.2001.04575 · pith_short_12: VXHXV5RCDLLS · pith_short_16: VXHXV5RCDLLSACI2 · pith_short_8: VXHXV5RC

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/VXHXV5RCDLLSACI2SL7KAEPZ7K \
  | 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: adcf7af6221ad720091a92fea011f9fa898781c83771f16e86ff40ebc8cad09c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ae15a0a3c15f10a43c55f7d687bcf4db39b94c8763c5b2d40abcb73987cc839f",
    "cross_cats_sorted": [
      "physics.space-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2020-01-14T00:13:31Z",
    "title_canon_sha256": "28748153d1dedf201d07cb465c33b9faaa26664b54f7a26290ca54e5d664b7e8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2001.04575",
    "kind": "arxiv",
    "version": 1
  }
}