Pith Number

pith:K4ONMY7U

pith:2011:K4ONMY7UAKHNJWK44UFQQP3C3K

not attested not anchored not stored refs pending

Superlensing effect of an anisotropic metamaterial slab with near-zero dynamic mass

Gengkai Hu, Xiaoming Zhou

arxiv:1105.0001 v1 · 2011-04-29 · cond-mat.mtrl-sci

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{K4ONMY7UAKHNJWK44UFQQP3C3K}

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	2026-05-18T02:02:10.914137Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

571cd663f4028ed4d95ce50b083f62da90ba0b5d064b88e870ef78fb2d82c400

Aliases

arxiv: 1105.0001 · arxiv_version: 1105.0001v1 · doi: 10.48550/arxiv.1105.0001 · pith_short_12: K4ONMY7UAKHN · pith_short_16: K4ONMY7UAKHNJWK4 · pith_short_8: K4ONMY7U

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/K4ONMY7UAKHNJWK44UFQQP3C3K \
  | 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: 571cd663f4028ed4d95ce50b083f62da90ba0b5d064b88e870ef78fb2d82c400

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e219a7106a1cf9329f1ae045f8529a96787e888576715aac1bf191f2697b2ba5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2011-04-29T06:14:27Z",
    "title_canon_sha256": "63724c161de77ab4f66113b51e6bf269ef2481f771ade72268a5dcef19f33869"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.0001",
    "kind": "arxiv",
    "version": 1
  }
}