Pith Number

pith:GZ67XJED

pith:2013:GZ67XJED4DDJLSTBL6B7A2UBMB

not attested not anchored not stored refs pending

Aerodynamic Drag and Gyroscopic Stability

Elya R. Courtney, Michael W. Courtney

arxiv:1309.5039 v2 · 2013-08-15 · physics.gen-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{GZ67XJED4DDJLSTBL6B7A2UBMB}

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	2026-05-18T02:40:02.225146Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

367dfba483e0c695ca615f83f06a81605baf702aa152cb1120ab0c905692a2f2

Aliases

arxiv: 1309.5039 · arxiv_version: 1309.5039v2 · doi: 10.48550/arxiv.1309.5039 · pith_short_12: GZ67XJED4DDJ · pith_short_16: GZ67XJED4DDJLSTB · pith_short_8: GZ67XJED

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/GZ67XJED4DDJLSTBL6B7A2UBMB \
  | 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: 367dfba483e0c695ca615f83f06a81605baf702aa152cb1120ab0c905692a2f2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "29d78fb521b878af65f1b02becae354836068c986bea1b9ea194cf1b7a54970f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.gen-ph",
    "submitted_at": "2013-08-15T20:25:37Z",
    "title_canon_sha256": "143d18814c9e932aff7e7bc278da6f857e4f794f04dd48f77ebb9a0c08d4ec7b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.5039",
    "kind": "arxiv",
    "version": 2
  }
}