Pith Number

pith:5KTSJJNW

pith:2017:5KTSJJNW3QHP6M6TWPQG7EBZR6

not attested not anchored not stored refs pending

A novel two- and multi-level binary phase mask design for enhanced depth-of-focus

Karen Egiazarian, Nicholas Hogasten, Vladimir Katkovnik

arxiv:1707.07752 v1 · 2017-07-14 · 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{5KTSJJNW3QHP6M6TWPQG7EBZR6}

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	2026-05-18T00:39:30.513034Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eaa724a5b6dc0eff33d3b3e06f90398f86cd308cd5af00ff4d3eb5837653376a

Aliases

arxiv: 1707.07752 · arxiv_version: 1707.07752v1 · doi: 10.48550/arxiv.1707.07752 · pith_short_12: 5KTSJJNW3QHP · pith_short_16: 5KTSJJNW3QHP6M6T · pith_short_8: 5KTSJJNW

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/5KTSJJNW3QHP6M6TWPQG7EBZR6 \
  | 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: eaa724a5b6dc0eff33d3b3e06f90398f86cd308cd5af00ff4d3eb5837653376a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "599da51a1d22c9b7315a0bc6234ddee5b73a1414e78bd44a89bba6aad9d07d71",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2017-07-14T06:12:09Z",
    "title_canon_sha256": "36a32e73cd5e12c01430cf36e4e009bc50841e345e94e6cc7593fb86baefcc69"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.07752",
    "kind": "arxiv",
    "version": 1
  }
}