Pith Number

pith:OFYOK66R

pith:2017:OFYOK66RAEWYUPFCG4KNQJ7GM6

not attested not anchored not stored refs pending

Judiciously distributing laser emitters to shape the desired far field patterns

Constantinos A. Valagiannopoulos, Vassilios Kovanis

arxiv:1705.06885 v1 · 2017-05-19 · 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{OFYOK66RAEWYUPFCG4KNQJ7GM6}

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	2026-05-18T00:38:52.334883Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7170e57bd1012d8a3ca23714d827e6679ee9164a4d91f9245abb4138462ccf79

Aliases

arxiv: 1705.06885 · arxiv_version: 1705.06885v1 · doi: 10.48550/arxiv.1705.06885 · pith_short_12: OFYOK66RAEWY · pith_short_16: OFYOK66RAEWYUPFC · pith_short_8: OFYOK66R

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/OFYOK66RAEWYUPFCG4KNQJ7GM6 \
  | 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: 7170e57bd1012d8a3ca23714d827e6679ee9164a4d91f9245abb4138462ccf79

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0c88d92cb4f616d5ac9a273e5a604d512588a3b57cc8235eeef1866d722d058b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2017-05-19T08:10:33Z",
    "title_canon_sha256": "a1194ba7989c88ec34e22414494a2843623d0ae403334cb222cce48dbab50e03"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.06885",
    "kind": "arxiv",
    "version": 1
  }
}