Pith Number

pith:W2S2O3RW

pith:2014:W2S2O3RWYACZX2MQQ3MQWXKTXH

not attested not anchored not stored refs pending

Super-Resolution Imaging by Arrays of High-Index Spheres Embedded in Transparent Matrices

Augustine M. Urbas, Dennis E. Walker Jr., Kenneth W. Allen, Navid Farahi, Nicholaos I. Limberopoulos, Vasily N. Astratov, Yangcheng Li

arxiv:1412.1873 v1 · 2014-12-05 · 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{W2S2O3RWYACZX2MQQ3MQWXKTXH}

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	2026-05-18T00:57:51.273449Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b6a5a76e36c0059be99086d90b5d53b9ed30192f54ca8fc513d6ecb6b46c8986

Aliases

arxiv: 1412.1873 · arxiv_version: 1412.1873v1 · doi: 10.48550/arxiv.1412.1873 · pith_short_12: W2S2O3RWYACZ · pith_short_16: W2S2O3RWYACZX2MQ · pith_short_8: W2S2O3RW

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/W2S2O3RWYACZX2MQQ3MQWXKTXH \
  | 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: b6a5a76e36c0059be99086d90b5d53b9ed30192f54ca8fc513d6ecb6b46c8986

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c904b429c476e9640a07608c64358c4491da918b8f28e9e9651ae0f0c87f2e10",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2014-12-05T01:44:43Z",
    "title_canon_sha256": "a6f13cd15e78a66112d70eeffeeb849950ec9ca77297b101d691e188885711b9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.1873",
    "kind": "arxiv",
    "version": 1
  }
}