Pith Number

pith:S5OJ2K4J

pith:2025:S5OJ2K4JLZJC3K34I6EVYQY66Q

not attested not anchored not stored refs pending

History and presentation of the Cavendish experiment in textbooks in the 20th century

Jonas R Persson

arxiv:2501.11943 v1 · 2025-01-21 · physics.ed-ph · physics.hist-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{S5OJ2K4JLZJC3K34I6EVYQY66Q}

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	2026-07-05T10:03:16.330169Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

975c9d2b895e522dab7c47895c431ef411ce26e3c0d5340aa35f1e658f6d3407

Aliases

arxiv: 2501.11943 · arxiv_version: 2501.11943v1 · doi: 10.48550/arxiv.2501.11943 · pith_short_12: S5OJ2K4JLZJC · pith_short_16: S5OJ2K4JLZJC3K34 · pith_short_8: S5OJ2K4J

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/S5OJ2K4JLZJC3K34I6EVYQY66Q \
  | 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: 975c9d2b895e522dab7c47895c431ef411ce26e3c0d5340aa35f1e658f6d3407

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "63dbe498952c2b80f1418ebc53dc0fb3b960dba6702573425a334867b50c9cb1",
    "cross_cats_sorted": [
      "physics.hist-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2025-01-21T07:38:21Z",
    "title_canon_sha256": "cf822082bca3e465bc4095cef477da58eeeca65000e3e5f78e08e261c5b1af0f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.11943",
    "kind": "arxiv",
    "version": 1
  }
}