Pith Number

pith:WOIENUU4

pith:2015:WOIENUU4OUS5LEN6YIOYDNR2HE

not attested not anchored not stored refs pending

Reduction of Effective Terahertz Focal Spot Size By Means Of Nested Concentric Parabolic Reflectors

LiDong Pan, N. J. Laurita, N. P. Armitage, V. A. Neumann

arxiv:1506.05775 v2 · 2015-06-18 · cond-mat.mtrl-sci · physics.ins-det · 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{WOIENUU4OUS5LEN6YIOYDNR2HE}

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	2026-05-18T01:35:54.178989Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b39046d29c7525d591bec21d81b63a3903b5583e273789051d9d1e3c273d6153

Aliases

arxiv: 1506.05775 · arxiv_version: 1506.05775v2 · doi: 10.48550/arxiv.1506.05775 · pith_short_12: WOIENUU4OUS5 · pith_short_16: WOIENUU4OUS5LEN6 · pith_short_8: WOIENUU4

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/WOIENUU4OUS5LEN6YIOYDNR2HE \
  | 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: b39046d29c7525d591bec21d81b63a3903b5583e273789051d9d1e3c273d6153

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "45bdcf9fb7439ef6c61774d8f17b64ff55912ebcf882d0c729b77f3f017538d5",
    "cross_cats_sorted": [
      "physics.ins-det",
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2015-06-18T19:14:03Z",
    "title_canon_sha256": "c87ac54157919f30da546d55da1b7701c68e45b0e4f35851decb1c2fce204d33"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.05775",
    "kind": "arxiv",
    "version": 2
  }
}