Pith Number

pith:6Q7CJUWE

pith:2010:6Q7CJUWE22VLMFQ3F4AU5LA6HR

not attested not anchored not stored refs pending

Tunable Double Negative Band Structure from Non-Magnetic Coated Rods

Robert Lipton, Yue Chen

arxiv:1005.2178 v2 · 2010-05-12 · 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{6Q7CJUWE22VLMFQ3F4AU5LA6HR}

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	2026-05-18T02:07:33.601116Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f43e24d2c4d6aab6161b2f014eac1e3c7327f4b60680789f4010cba25430fbce

Aliases

arxiv: 1005.2178 · arxiv_version: 1005.2178v2 · doi: 10.48550/arxiv.1005.2178 · pith_short_12: 6Q7CJUWE22VL · pith_short_16: 6Q7CJUWE22VLMFQ3 · pith_short_8: 6Q7CJUWE

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/6Q7CJUWE22VLMFQ3F4AU5LA6HR \
  | 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: f43e24d2c4d6aab6161b2f014eac1e3c7327f4b60680789f4010cba25430fbce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "69dc515e0434f2ea8b51d86c30c7aac574585887d8361420ded0af31ebc7400a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2010-05-12T19:51:59Z",
    "title_canon_sha256": "772e5ebec67284b4b296e9b63f7e653dfa944783714d66135a218a54b8f16909"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1005.2178",
    "kind": "arxiv",
    "version": 2
  }
}