Pith Number

pith:J4QBCJUW

pith:2004:J4QBCJUWI2MXS6XCWUEUIBNEOD

not attested not anchored not stored refs pending

Between Laws and Models: Some Philosophical Morals of Lagrangian Mechanics

Jeremy Butterfield

arxiv:physics/0409030 v1 · 2004-09-03 · physics.class-ph · physics.gen-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{J4QBCJUWI2MXS6XCWUEUIBNEOD}

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

Quantum mechanics in configuration space in context

Receipt and verification

First computed	2026-07-04T14:44:23.873816Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4f201126964699797ae2b5094405a470c51969db7dd76d0c463bac2209999203

Aliases

arxiv: physics/0409030 · arxiv_version: physics/0409030v1 · doi: 10.48550/arxiv.physics/0409030 · pith_short_12: J4QBCJUWI2MX · pith_short_16: J4QBCJUWI2MXS6XC · pith_short_8: J4QBCJUW

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/J4QBCJUWI2MXS6XCWUEUIBNEOD \
  | 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: 4f201126964699797ae2b5094405a470c51969db7dd76d0c463bac2209999203

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "76063f5e79d562f3062e4561f2c469f267c810d2c5fb690cb90750a9f4c30163",
    "cross_cats_sorted": [
      "physics.gen-ph",
      "physics.hist-ph"
    ],
    "license": "",
    "primary_cat": "physics.class-ph",
    "submitted_at": "2004-09-03T21:30:40Z",
    "title_canon_sha256": "5ba139610192160499d4170c1f8e2eca8a63180b799d2487740cdbe897439a5b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "physics/0409030",
    "kind": "arxiv",
    "version": 1
  }
}