Pith Number

pith:YDPCBOX3

pith:2014:YDPCBOX3WGOZCNUZGHLM3T3SFF

not attested not anchored not stored refs pending

Gyroscopic Stability of Open Tipped Match Style Rifle Bullets

Elya R. Courtney, Michael W. Courtney

arxiv:1401.4187 v2 · 2014-01-16 · physics.pop-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{YDPCBOX3WGOZCNUZGHLM3T3SFF}

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	2026-05-18T02:40:02.047536Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c0de20bafbb19d91369931d6cdcf722941daad77370d799a2a31ea80b94df729

Aliases

arxiv: 1401.4187 · arxiv_version: 1401.4187v2 · doi: 10.48550/arxiv.1401.4187 · pith_short_12: YDPCBOX3WGOZ · pith_short_16: YDPCBOX3WGOZCNUZ · pith_short_8: YDPCBOX3

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/YDPCBOX3WGOZCNUZGHLM3T3SFF \
  | 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: c0de20bafbb19d91369931d6cdcf722941daad77370d799a2a31ea80b94df729

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4a63fbeaf2c115091a9e6cadd1a8e975a9ab0972370a3419c022288196f342ea",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.pop-ph",
    "submitted_at": "2014-01-16T21:39:26Z",
    "title_canon_sha256": "1755f509f09216d854c5719359dc15ce524bd49cc9730566d1ecfdad327b7928"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.4187",
    "kind": "arxiv",
    "version": 2
  }
}