Pith Number

pith:G5QM5P6S

pith:2018:G5QM5P6S23FF32LDS62DMUT4IM

not attested not anchored not stored refs pending

Projectile motion: the "coming and going" phenomenon

J. Ricardo de Sousa, Williams J. M. Ribeiro

arxiv:1805.08066 v1 · 2018-05-17 · physics.class-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{G5QM5P6S23FF32LDS62DMUT4IM}

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.

Cited by

1 paper in Pith

A Search for the Underlying Equation Governing Similar Systems

Receipt and verification

First computed	2026-07-05T08:33:12.522175Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3760cebfd2d6ca5de96397b436527c4311136eedb81396cf655482ec22688715

Aliases

arxiv: 1805.08066 · arxiv_version: 1805.08066v1 · doi: 10.48550/arxiv.1805.08066 · pith_short_12: G5QM5P6S23FF · pith_short_16: G5QM5P6S23FF32LD · pith_short_8: G5QM5P6S

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/G5QM5P6S23FF32LDS62DMUT4IM \
  | 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: 3760cebfd2d6ca5de96397b436527c4311136eedb81396cf655482ec22688715

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8aee821b5403bc10366efdbd3732f58a42d3ec4bb3755c443f2b449aaf6f69d4",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "physics.class-ph",
    "submitted_at": "2018-05-17T19:47:43Z",
    "title_canon_sha256": "40e2827e9329ac48d9dc21bf7f258c3db6306598186f030cdda2034ad0123a23"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.08066",
    "kind": "arxiv",
    "version": 1
  }
}