Pith Number

pith:OTPCEVHZ

pith:2009:OTPCEVHZDZF3SAK7HZFTFRT2RU

not attested not anchored not stored refs pending

Repulsive Casimir Force in Chiral Metamaterials

C.M. Soukoulis, E.N. Economou, J. Zhou, R. Zhao, Th. Koschny

arxiv:0907.1435 v1 · 2009-07-09 · 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{OTPCEVHZDZF3SAK7HZFTFRT2RU}

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	2026-05-18T04:36:40.517709Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

74de2254f91e4bb9015f3e4b32c67a8d3f9a9ec7a416ad395e5912b7fa919555

Aliases

arxiv: 0907.1435 · arxiv_version: 0907.1435v1 · doi: 10.48550/arxiv.0907.1435 · pith_short_12: OTPCEVHZDZF3 · pith_short_16: OTPCEVHZDZF3SAK7 · pith_short_8: OTPCEVHZ

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/OTPCEVHZDZF3SAK7HZFTFRT2RU \
  | 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: 74de2254f91e4bb9015f3e4b32c67a8d3f9a9ec7a416ad395e5912b7fa919555

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5898278ebf0ba0ab6976e2fbae8cba241b370b68e850322add9bba2f0d694da6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2009-07-09T15:06:36Z",
    "title_canon_sha256": "7ea9c49212d5a93c760f41895d1232ccb8bae6706b5b184b67f2d086268f2de1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.1435",
    "kind": "arxiv",
    "version": 1
  }
}