Pith Number

pith:BM6G7TLR

pith:2012:BM6G7TLRKF3R3JI2A4GKWYU2PS

not attested not anchored not stored refs pending

Nearly Cloaking the Full Maxwell Equations

Gang Bao, Hongyu Liu

arxiv:1210.2447 v4 · 2012-10-09 · math.AP · 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{BM6G7TLRKF3R3JI2A4GKWYU2PS}

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	2026-05-18T03:26:10.243681Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0b3c6fcd7151771da51a070cab629a7cbac9592c09e435b61e0a8ab57f5cf999

Aliases

arxiv: 1210.2447 · arxiv_version: 1210.2447v4 · doi: 10.48550/arxiv.1210.2447 · pith_short_12: BM6G7TLRKF3R · pith_short_16: BM6G7TLRKF3R3JI2 · pith_short_8: BM6G7TLR

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/BM6G7TLRKF3R3JI2A4GKWYU2PS \
  | 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: 0b3c6fcd7151771da51a070cab629a7cbac9592c09e435b61e0a8ab57f5cf999

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2a6835d19b26d9d0391e020dcfb989e634bcd27b68a300663750af250f20aa0b",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2012-10-09T00:44:21Z",
    "title_canon_sha256": "e17a053cb282d394e777f1cd04b25b7b416e3ae8491b09d2ec969cd8a293789a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.2447",
    "kind": "arxiv",
    "version": 4
  }
}