Pith Number

pith:4SUWTWHS

pith:2010:4SUWTWHSBTLDHYDPTLBUEWRX3T

not attested not anchored not stored refs pending

Subwavelength focusing of light by a tapered microtube

Hongtao Dong, Jian Fu, Wei Fang

arxiv:1006.3619 v1 · 2010-06-18 · 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{4SUWTWHSBTLDHYDPTLBUEWRX3T}

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	2026-05-18T02:06:44.674487Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e4a969d8f20cd633e06f9ac3425a37dcd3eeb21f53234e773b4215db74878203

Aliases

arxiv: 1006.3619 · arxiv_version: 1006.3619v1 · doi: 10.48550/arxiv.1006.3619 · pith_short_12: 4SUWTWHSBTLD · pith_short_16: 4SUWTWHSBTLDHYDP · pith_short_8: 4SUWTWHS

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/4SUWTWHSBTLDHYDPTLBUEWRX3T \
  | 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: e4a969d8f20cd633e06f9ac3425a37dcd3eeb21f53234e773b4215db74878203

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c51962ccc5e734223bd4531e01ba203d06d59d8e10d4ea7b0c20668fdcaac9a6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2010-06-18T07:02:18Z",
    "title_canon_sha256": "54ad9d39a23e28a29ac1945f3158357b8b7ff64ccc3b3a2a327407332044ca9e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1006.3619",
    "kind": "arxiv",
    "version": 1
  }
}