Pith Number

pith:NRQ4ODJ3

pith:2022:NRQ4ODJ3A67O7JSPXOK2QGTH2N

not attested not anchored not stored refs pending

Calibrated and Enhanced NRLMSIS 2.0 Model with Uncertainty Quantification

Daniel R. Weimer, Jean Yoshii, Piyush M. Mehta, Richard J. Licata, W. Kent Tobiska

arxiv:2208.11619 v1 · 2022-08-24 · physics.space-ph · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NRQ4ODJ3A67O7JSPXOK2QGTH2N}

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	2026-07-05T05:22:53.935431Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6c61c70d3b07beefa64fbb95a81a67d37fe4bc685bb4cbfd7fb34eef8b288eda

Aliases

arxiv: 2208.11619 · arxiv_version: 2208.11619v1 · doi: 10.48550/arxiv.2208.11619 · pith_short_12: NRQ4ODJ3A67O · pith_short_16: NRQ4ODJ3A67O7JSP · pith_short_8: NRQ4ODJ3

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/NRQ4ODJ3A67O7JSPXOK2QGTH2N \
  | 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: 6c61c70d3b07beefa64fbb95a81a67d37fe4bc685bb4cbfd7fb34eef8b288eda

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3eed06ba8b847b4825884496777a61a404af713ffbb37ccd1c5285069a086c84",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.space-ph",
    "submitted_at": "2022-08-24T15:43:05Z",
    "title_canon_sha256": "96ed40d1829cd8722bc4035bbee03b2cad69766231c885785df9456f38ff14de"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2208.11619",
    "kind": "arxiv",
    "version": 1
  }
}