Pith Number

pith:2LO23PF6

pith:2025:2LO23PF6BDR6BGLSQHKXBD5YTE

not attested not anchored not stored refs pending

Teaching special relativity in elementary physics or upper high school courses

Biagio Buonaura, Giuseppe Giuliani, Marco Litterio, Maria Grazia Blumetti

arxiv:2506.07872 v1 · 2025-06-09 · 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{2LO23PF6BDR6BGLSQHKXBD5YTE}

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	2026-07-05T11:18:34.727407Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d2ddadbcbe08e3e0997281d5708fb8990888e403d4b061fb57b7f34346e539f9

Aliases

arxiv: 2506.07872 · arxiv_version: 2506.07872v1 · doi: 10.48550/arxiv.2506.07872 · pith_short_12: 2LO23PF6BDR6 · pith_short_16: 2LO23PF6BDR6BGLS · pith_short_8: 2LO23PF6

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/2LO23PF6BDR6BGLSQHKXBD5YTE \
  | 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: d2ddadbcbe08e3e0997281d5708fb8990888e403d4b061fb57b7f34346e539f9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "11cc60915e949300c5d0095d04cf2dd180ef669507e1560b9615c595a46257aa",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2025-06-09T15:40:49Z",
    "title_canon_sha256": "10949aada8dfeddd26ef369ae1472bc63fbab7e8b39ef1d22c4ed8e25a52640c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.07872",
    "kind": "arxiv",
    "version": 1
  }
}