Pith Number

pith:RVSGU7AT

pith:2018:RVSGU7ATGPRKKFAZ3PIKE6XAET

not attested not anchored not stored refs pending

A quasi-physical dynamic reduced order model for thermospheric mass density via Hermitian Space Dynamic Mode Decomposition

Eric K. Sutton, Piyush M. Mehta, Richard Linares

arxiv:1802.08901 v3 · 2018-02-24 · physics.space-ph · physics.ao-ph · physics.data-an

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RVSGU7ATGPRKKFAZ3PIKE6XAET}

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	2026-05-18T00:09:15.979004Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8d646a7c1333e2a51419dbd0a27ae024d72489352e71cfe3c2a70b0fdf8b7d92

Aliases

arxiv: 1802.08901 · arxiv_version: 1802.08901v3 · doi: 10.48550/arxiv.1802.08901 · pith_short_12: RVSGU7ATGPRK · pith_short_16: RVSGU7ATGPRKKFAZ · pith_short_8: RVSGU7AT

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/RVSGU7ATGPRKKFAZ3PIKE6XAET \
  | 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: 8d646a7c1333e2a51419dbd0a27ae024d72489352e71cfe3c2a70b0fdf8b7d92

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "50f5f898367866a730f0b44289ef8b2cad07038704096925cec3cb6af136598c",
    "cross_cats_sorted": [
      "physics.ao-ph",
      "physics.data-an"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.space-ph",
    "submitted_at": "2018-02-24T19:29:21Z",
    "title_canon_sha256": "0149a43a432e914a2f44bf25417abc627c3a2482bc979970c58bd4ac72a394c5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.08901",
    "kind": "arxiv",
    "version": 3
  }
}