Pith Number

pith:QHQBCF7G

pith:2021:QHQBCF7GQMGYIYA252ELCT7M75

not attested not anchored not stored refs pending

Modeling the dynamic variability of sub-relativistic outer radiation belt electron fluxes using machine learning

Alfredo Cruz, Donglai Ma, Jacob Bortnik, J.B.Blake, J.F.Fennell, S.Dave Bouwer, Seth G.Claudepierre, W.Kent Tobiska, Xiangning Chu

arxiv:2109.08647 v3 · 2021-09-17 · 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{QHQBCF7GQMGYIYA252ELCT7M75}

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	2026-07-05T04:42:14.453101Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

81e01117e6830d84601aee88b14fecff4c1c8afc35743142b493faca4a130cb3

Aliases

arxiv: 2109.08647 · arxiv_version: 2109.08647v3 · doi: 10.48550/arxiv.2109.08647 · pith_short_12: QHQBCF7GQMGY · pith_short_16: QHQBCF7GQMGYIYA2 · pith_short_8: QHQBCF7G

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/QHQBCF7GQMGYIYA252ELCT7M75 \
  | 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: 81e01117e6830d84601aee88b14fecff4c1c8afc35743142b493faca4a130cb3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "14417c2436ee0effa7202d1714f64f6cc38d6758ab579b79ec10ce4c00458636",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.space-ph",
    "submitted_at": "2021-09-17T17:02:50Z",
    "title_canon_sha256": "f2b27502534439144a87cf9e9b8eb71336eda7c08712fae77dfaaca5026156b4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.08647",
    "kind": "arxiv",
    "version": 3
  }
}