Pith Number

pith:SE7FXH6Z

pith:2018:SE7FXH6ZRILMGAVTSAME65FPOK

not attested not anchored not stored refs pending

Accurate Radar Measurements of Drag Coefficients in Free Flight

Collin Morris, Elya Courtney, Michael Courtney

arxiv:1811.05797 v1 · 2018-10-22 · physics.ed-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{SE7FXH6ZRILMGAVTSAME65FPOK}

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	2026-05-18T00:00:42.074016Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

913e5b9fd98a16c302b390184f74af72a726922274187bdad519c525437b8e05

Aliases

arxiv: 1811.05797 · arxiv_version: 1811.05797v1 · doi: 10.48550/arxiv.1811.05797 · pith_short_12: SE7FXH6ZRILM · pith_short_16: SE7FXH6ZRILMGAVT · pith_short_8: SE7FXH6Z

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/SE7FXH6ZRILMGAVTSAME65FPOK \
  | 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: 913e5b9fd98a16c302b390184f74af72a726922274187bdad519c525437b8e05

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "67d55b9312686c802aca63667096f3d35c08fbcf2ce57a79b62a03c9ce2d3a23",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2018-10-22T18:02:18Z",
    "title_canon_sha256": "a026eeed6da84e993db6680c0c697c8aa26c106170fa6d2ed353a6130a750e90"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.05797",
    "kind": "arxiv",
    "version": 1
  }
}