Pith Number

pith:2BSPC5KC

pith:2013:2BSPC5KCHRHJ7JNP334A3GLXUG

not attested not anchored not stored refs pending

The Perturbed Maxwell Operator as Pseudodifferential Operator

Giuseppe De Nittis, Max Lein

arxiv:1302.1956 v4 · 2013-02-08 · math-ph · math.MP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2BSPC5KCHRHJ7JNP334A3GLXUG}

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	2026-05-18T02:24:36.070084Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d064f175423c4e9fa5afdef80d9977a1aa23847534db6059b75005edbf630d1c

Aliases

arxiv: 1302.1956 · arxiv_version: 1302.1956v4 · doi: 10.48550/arxiv.1302.1956 · pith_short_12: 2BSPC5KCHRHJ · pith_short_16: 2BSPC5KCHRHJ7JNP · pith_short_8: 2BSPC5KC

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/2BSPC5KCHRHJ7JNP334A3GLXUG \
  | 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: d064f175423c4e9fa5afdef80d9977a1aa23847534db6059b75005edbf630d1c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ab3067d25464cb70e9c28b2731a1f9eec4875277bd1e37428aba1495525f46a1",
    "cross_cats_sorted": [
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2013-02-08T07:12:28Z",
    "title_canon_sha256": "b71f75abd69dbd570fb902e8d1d8eafa7c1dcb528ebb448667011bceef16c076"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.1956",
    "kind": "arxiv",
    "version": 4
  }
}