Pith Number

pith:P672LLOC

pith:2018:P672LLOC3WS4UUQPEOPN34XOCJ

not attested not anchored not stored refs pending

Classifying Signatures of Sudden Ionospheric Disturbances

Monica G. Bobra, Philip H. Scherrer, Sahil Hegde

arxiv:1809.02742 v1 · 2018-09-08 · astro-ph.SR · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{P672LLOC3WS4UUQPEOPN34XOCJ}

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	2026-05-18T00:06:15.434030Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7fbfa5adc2dda5ca520f239eddf2ee124cc3a16f3be4ac1da8941ff74154bca9

Aliases

arxiv: 1809.02742 · arxiv_version: 1809.02742v1 · doi: 10.48550/arxiv.1809.02742 · pith_short_12: P672LLOC3WS4 · pith_short_16: P672LLOC3WS4UUQP · pith_short_8: P672LLOC

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/P672LLOC3WS4UUQPEOPN34XOCJ \
  | 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: 7fbfa5adc2dda5ca520f239eddf2ee124cc3a16f3be4ac1da8941ff74154bca9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "66f7ac580b6db292b9eff54add005bda75b812fb39fd6755507eb3c9357cf468",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-09-08T02:23:46Z",
    "title_canon_sha256": "3d6f3b76118f49087698c6dd65f2a4473b5cdb78af68087cbb16131be79f47b5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.02742",
    "kind": "arxiv",
    "version": 1
  }
}