Pith Number

pith:N4GLUGCK

pith:2009:N4GLUGCKQPMMBFVTST2UHEMEJN

not attested not anchored not stored refs pending

Illusion Media: Generating Virtual Objects Using Realizable Metamaterials

Hui Feng Ma, Qiang Cheng, Tie Jun Cui, Wei Xiang Jiang

arxiv:0909.3619 v2 · 2009-09-20 · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{N4GLUGCKQPMMBFVTST2UHEMEJN}

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	2026-05-18T02:11:46.055519Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6f0cba184a83d8c096b394f54391844b4a9512a9e47810d5ee00843f18b7f7e1

Aliases

arxiv: 0909.3619 · arxiv_version: 0909.3619v2 · doi: 10.48550/arxiv.0909.3619 · pith_short_12: N4GLUGCKQPMM · pith_short_16: N4GLUGCKQPMMBFVT · pith_short_8: N4GLUGCK

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/N4GLUGCKQPMMBFVTST2UHEMEJN \
  | 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: 6f0cba184a83d8c096b394f54391844b4a9512a9e47810d5ee00843f18b7f7e1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a8ddcd1d77d94d79e22bb8f93f669922fdd216714e2e537b8bec0dcfc0fdd58c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2009-09-20T06:45:10Z",
    "title_canon_sha256": "374585751ccb949e83ceded01558dec1cc49aaf1f5e21483b5cd2c6a33de7ac0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.3619",
    "kind": "arxiv",
    "version": 2
  }
}