Pith Number

pith:PSZM27YX

pith:2003:PSZM27YXIOBNWFMZIBB7GAODVV

not attested not anchored not stored refs pending

A Capacitor Paradox

Kirk T. McDonald

arxiv:physics/0312031 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{PSZM27YXIOBNWFMZIBB7GAODVV}

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	2026-07-04T14:44:06.038581Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7cb2cd7f174382db15994043f301c3ad7187a15e2bd2dbf0d4d11cb2064e9bf1

Aliases

arxiv: physics/0312031 · arxiv_version: physics/0312031v1 · doi: 10.48550/arxiv.physics/0312031 · pith_short_12: PSZM27YXIOBN · pith_short_16: PSZM27YXIOBNWFMZ · pith_short_8: PSZM27YX

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/PSZM27YXIOBNWFMZIBB7GAODVV \
  | 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: 7cb2cd7f174382db15994043f301c3ad7187a15e2bd2dbf0d4d11cb2064e9bf1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2748ad93ae251a047be7118db5393b5ff5b61d26189d4fd6a610257da572d600",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "physics.class-ph",
    "submitted_at": "2003-12-03T18:52:16Z",
    "title_canon_sha256": "a0775ef79b2d3140a7470572bf49706bfeb4689fbf128bc81ba20bf741e21fc3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "physics/0312031",
    "kind": "arxiv",
    "version": 1
  }
}