Pith Number

pith:TMZIHQQ2

pith:2025:TMZIHQQ2F37P6GL3PZL4A5IWUV

not attested not anchored not stored refs pending

From Faraday and Maxwell to Quantum Physics. The later story of the Electromagnetic Vector Potential

Miguel Ortuno, Tuck Choy

arxiv:2509.04486 v1 · 2025-08-31 · physics.hist-ph · hep-th · 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{TMZIHQQ2F37P6GL3PZL4A5IWUV}

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	2026-07-05T12:05:23.888616Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9b3283c21a2efeff197b7e57c07516a546eae0694429c9e0ad46ebe642e88243

Aliases

arxiv: 2509.04486 · arxiv_version: 2509.04486v1 · doi: 10.48550/arxiv.2509.04486 · pith_short_12: TMZIHQQ2F37P · pith_short_16: TMZIHQQ2F37P6GL3 · pith_short_8: TMZIHQQ2

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/TMZIHQQ2F37P6GL3PZL4A5IWUV \
  | 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: 9b3283c21a2efeff197b7e57c07516a546eae0694429c9e0ad46ebe642e88243

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "004094b092efdbfc9307c6ade032d3bd963388981f1d2c46e2d7a318b09819eb",
    "cross_cats_sorted": [
      "hep-th",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.hist-ph",
    "submitted_at": "2025-08-31T19:10:34Z",
    "title_canon_sha256": "dc9fc68322c16ba2bb032cca042fb6588fae1e55201883e20a6a1a7baae744ef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.04486",
    "kind": "arxiv",
    "version": 1
  }
}