Pith Number

pith:TCOA7JUK

pith:2018:TCOA7JUKS7Q7OAYWQ6CFDLKTYP

not attested not anchored not stored refs pending

Using machine learning to create high-efficiency freeform illumination design tools

Caleb Gannon, Rongguang Liang

arxiv:1903.11166 v1 · 2018-12-12 · cs.LG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TCOA7JUKS7Q7OAYWQ6CFDLKTYP}

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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.

Cited by

1 paper in Pith

Neural-network methods for two-dimensional finite-source reflector design

Receipt and verification

First computed	2026-05-17T23:50:03.971888Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

989c0fa68a97e1f70316878451ad53c3e13a582374778f25239fa733c86f6c31

Aliases

arxiv: 1903.11166 · arxiv_version: 1903.11166v1 · doi: 10.48550/arxiv.1903.11166 · pith_short_12: TCOA7JUKS7Q7 · pith_short_16: TCOA7JUKS7Q7OAYW · pith_short_8: TCOA7JUK

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/TCOA7JUKS7Q7OAYWQ6CFDLKTYP \
  | 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: 989c0fa68a97e1f70316878451ad53c3e13a582374778f25239fa733c86f6c31

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "527855de0669b1cd2ea34c678f2233fbe95b12e004ae80be2fb37e43705343fb",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2018-12-12T18:47:14Z",
    "title_canon_sha256": "2ea1486125ccbfd86305c0da06a08d3c19309b4880223e34e030d9903a068e39"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.11166",
    "kind": "arxiv",
    "version": 1
  }
}