Pith Number

pith:5FDSER6Z

pith:2003:5FDSER6ZFWFNSLJAYHDZZMEB7D

not attested not anchored not stored refs pending

Hidden Momentum in a Coaxial Cable

Kirk T. McDonald

arxiv:physics/0312028 v1 · 2003-12-03 · 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{5FDSER6ZFWFNSLJAYHDZZMEB7D}

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	2026-07-04T14:44:06.002473Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e9472247d92d8ad92d20c1c79cb081f8c7bae3a692cf08fb165a020f448fd883

Aliases

arxiv: physics/0312028 · arxiv_version: physics/0312028v1 · doi: 10.48550/arxiv.physics/0312028 · pith_short_12: 5FDSER6ZFWFN · pith_short_16: 5FDSER6ZFWFNSLJA · pith_short_8: 5FDSER6Z

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/5FDSER6ZFWFNSLJAYHDZZMEB7D \
  | 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: e9472247d92d8ad92d20c1c79cb081f8c7bae3a692cf08fb165a020f448fd883

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "de47a201c89e0c7f1accd5f5bad73403cae2a528a688d39bdceb0e2d7f1136b3",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "physics.class-ph",
    "submitted_at": "2003-12-03T17:10:45Z",
    "title_canon_sha256": "e69843e54da27f9066ddb5884483eb1df370c7eed27adaf1beefbbc509804777"
  },
  "schema_version": "1.0",
  "source": {
    "id": "physics/0312028",
    "kind": "arxiv",
    "version": 1
  }
}