pith. sign in
Pith Number

pith:4USZNGHQ

pith:2019:4USZNGHQII4HDTJHVGU7RXXDIA
not attested not anchored not stored refs pending

What determines the X-ray intensity and duration of a solar flare?

Jeffrey W. Reep, Kalman J. Knizhnik

arxiv:1903.10564 v1 · 2019-03-25 · astro-ph.SR

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{4USZNGHQII4HDTJHVGU7RXXDIA}

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 2026-05-17T23:48:59.887018Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

e5259698f0423871cd27a9a9f8dee3400b837d32e39419ecef805b2c47c8c2d8

Aliases

arxiv: 1903.10564 · arxiv_version: 1903.10564v1 · doi: 10.48550/arxiv.1903.10564 · pith_short_12: 4USZNGHQII4H · pith_short_16: 4USZNGHQII4HDTJH · pith_short_8: 4USZNGHQ
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/4USZNGHQII4HDTJHVGU7RXXDIA \
  | 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: e5259698f0423871cd27a9a9f8dee3400b837d32e39419ecef805b2c47c8c2d8
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "e7601adff03a5e28b84f564ba725eaf3db0ee75e1d2f468afac416212e979e97",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-03-25T19:35:44Z",
    "title_canon_sha256": "78834920ac55da9efcb14c802e0b26034e0a4026b0527e7b9b30e9f658b151de"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.10564",
    "kind": "arxiv",
    "version": 1
  }
}