Pith Number

pith:ZC6T2QTY

pith:2011:ZC6T2QTYRQKL3SYMBNVK5G5ANT

not attested not anchored not stored refs pending

Acoustic metamaterial exhibiting four different sign combinations of density and modulus

Choon Mahn Park, Chul Koo Kim, Jong Jin Park, Sam Hyeon Lee, Seung Hwan Lee, Yong Mun Seo

arxiv:1102.1767 v1 · 2011-02-09 · cond-mat.mtrl-sci · 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{ZC6T2QTYRQKL3SYMBNVK5G5ANT}

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	2026-05-18T02:03:15.092305Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c8bd3d42788c14bdcb0c0b6aae9ba06cdfe0ebe69dfd1015f7aba20e51b64290

Aliases

arxiv: 1102.1767 · arxiv_version: 1102.1767v1 · doi: 10.48550/arxiv.1102.1767 · pith_short_12: ZC6T2QTYRQKL · pith_short_16: ZC6T2QTYRQKL3SYM · pith_short_8: ZC6T2QTY

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/ZC6T2QTYRQKL3SYMBNVK5G5ANT \
  | 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: c8bd3d42788c14bdcb0c0b6aae9ba06cdfe0ebe69dfd1015f7aba20e51b64290

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "69f32808f740641a8d765f2cf15e63f55ef5dc7c24bb1be652139fbf6a2e68ce",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2011-02-09T02:32:50Z",
    "title_canon_sha256": "dad03de1c0bce23b0dbac2e15cd09cb7196232d16bf27c727f167fa2bb89eb31"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.1767",
    "kind": "arxiv",
    "version": 1
  }
}