Pith Number

pith:Z2AYARTY

pith:2009:Z2AYARTYXIK6MJ642K4JLNR2BA

not attested not anchored not stored refs pending

Compact-sized and broadband carpet cloak and free-space cloak

Hui Feng Ma, Tie Jun Cui, Wei Xiang Jiang, Xiao Yang Zhou, Xin Mi Yang

arxiv:0909.5341 v1 · 2009-09-29 · physics.optics · physics.class-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{Z2AYARTYXIK6MJ642K4JLNR2BA}

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	2026-05-18T02:11:36.437063Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ce81804678ba15e627dcd2b895b63a0832e4d8c92c9d3da83a0d1a131db0706f

Aliases

arxiv: 0909.5341 · arxiv_version: 0909.5341v1 · doi: 10.48550/arxiv.0909.5341 · pith_short_12: Z2AYARTYXIK6 · pith_short_16: Z2AYARTYXIK6MJ64 · pith_short_8: Z2AYARTY

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/Z2AYARTYXIK6MJ642K4JLNR2BA \
  | 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: ce81804678ba15e627dcd2b895b63a0832e4d8c92c9d3da83a0d1a131db0706f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a1b26d5b400ee8c1ffe01335587e537422add25dadb19940b619b91274dcee82",
    "cross_cats_sorted": [
      "physics.class-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2009-09-29T13:48:06Z",
    "title_canon_sha256": "8e8ea3fe41dfc541a35afe20188b6dfc206e7dda4c253642e5e9f4f44fcd5bfa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.5341",
    "kind": "arxiv",
    "version": 1
  }
}