Pith Number

pith:7JGKCAE6

pith:2014:7JGKCAE6W7TXD6H4MYP4IMKTKB

not attested not anchored not stored refs pending

Interaction of a Magnet and a Point Charge: Unrecognized Internal Electromagnetic Momentum Eliminates the Myth of Hidden Mechanical Momentum

Timothy H. Boyer

arxiv:1408.3741 v1 · 2014-08-16 · physics.class-ph · quant-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{7JGKCAE6W7TXD6H4MYP4IMKTKB}

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	2026-05-18T01:35:43.624166Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fa4ca1009eb7e771f8fc661fc431535074f764bd489ff80bc173daaae69e5dbb

Aliases

arxiv: 1408.3741 · arxiv_version: 1408.3741v1 · doi: 10.48550/arxiv.1408.3741 · pith_short_12: 7JGKCAE6W7TX · pith_short_16: 7JGKCAE6W7TXD6H4 · pith_short_8: 7JGKCAE6

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/7JGKCAE6W7TXD6H4MYP4IMKTKB \
  | 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: fa4ca1009eb7e771f8fc661fc431535074f764bd489ff80bc173daaae69e5dbb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "242559311fcd1d2bb7969e053e4cfe783d79f39df3bcc0efe4528ed44e437e83",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.class-ph",
    "submitted_at": "2014-08-16T15:18:16Z",
    "title_canon_sha256": "699d4525fba33dae9160471f2fd874fca4e2dabd10d82382cd121d42c4e58fb8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.3741",
    "kind": "arxiv",
    "version": 1
  }
}