Pith Number

pith:VKJFDFRQ

pith:2020:VKJFDFRQ5RQ47DAH646P3E3GWQ

not attested not anchored not stored refs pending

Magnetic confinement at a boundary approximates specular reflection

Katherine Zhiyuan Zhang

arxiv:2002.04804 v2 · 2020-02-12 · math-ph · math.AP · 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{VKJFDFRQ5RQ47DAH646P3E3GWQ}

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	2026-07-05T02:33:16.486665Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aa92519630ec61cf8c07f73cfd9366b40057aac0cab5649792363efd35dd3248

Aliases

arxiv: 2002.04804 · arxiv_version: 2002.04804v2 · doi: 10.48550/arxiv.2002.04804 · pith_short_12: VKJFDFRQ5RQ4 · pith_short_16: VKJFDFRQ5RQ47DAH · pith_short_8: VKJFDFRQ

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/VKJFDFRQ5RQ47DAH646P3E3GWQ \
  | 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: aa92519630ec61cf8c07f73cfd9366b40057aac0cab5649792363efd35dd3248

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eff6c0a9630edbde067c66d1352928b767eb878cb769e956049348748d6f572c",
    "cross_cats_sorted": [
      "math.AP",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2020-02-12T05:21:39Z",
    "title_canon_sha256": "ab238c36138812235338168736339ef1819a2dc90ceeb19dbc6d2c24d808b58e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.04804",
    "kind": "arxiv",
    "version": 2
  }
}