Pith Number

pith:JZCEDRDD

pith:2015:JZCEDRDDTB34WZN3TM5IQP66JL

not attested not anchored not stored refs pending

Experimental Tests of the Proportionality of Aerodynamic Drag to Air Density for Supersonic Projectiles

Amy Courtney, Elya Courtney, Michael Courtney

arxiv:1510.07336 v1 · 2015-10-26 · 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{JZCEDRDDTB34WZN3TM5IQP66JL}

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	2026-05-18T01:29:14.328896Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4e4441c4639877cb65bb9b3a883fde4ac39f0c6561e356340c7ae175bdea06ca

Aliases

arxiv: 1510.07336 · arxiv_version: 1510.07336v1 · doi: 10.48550/arxiv.1510.07336 · pith_short_12: JZCEDRDDTB34 · pith_short_16: JZCEDRDDTB34WZN3 · pith_short_8: JZCEDRDD

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/JZCEDRDDTB34WZN3TM5IQP66JL \
  | 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: 4e4441c4639877cb65bb9b3a883fde4ac39f0c6561e356340c7ae175bdea06ca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d555ac7fdc1357405b133a6dc94334aa5e350fb7dbc16dcc95248bcb6bd57348",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.pop-ph",
    "submitted_at": "2015-10-26T00:36:41Z",
    "title_canon_sha256": "d8d1c97d04ea59d0cf4120653cba66c0f604abf2c6b20c3b25fa47601810eb56"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.07336",
    "kind": "arxiv",
    "version": 1
  }
}