Pith Number

pith:YODAWDCC

pith:2017:YODAWDCCPQVAUMDHZ7XMPQHERS

not attested not anchored not stored refs pending

Light in Power: A General and Parameter-free Algorithm for Caustic Design

Boris Thibert, Jocelyn Meyron, Quentin M\'erigot

arxiv:1708.04820 v2 · 2017-08-16 · cs.GR · cs.CG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YODAWDCCPQVAUMDHZ7XMPQHERS}

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	2026-05-17T23:54:26.672018Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c3860b0c427c2a0a3067cfeec7c0e48cad06fede6e3baf5212b80dfc507963a5

Aliases

arxiv: 1708.04820 · arxiv_version: 1708.04820v2 · doi: 10.48550/arxiv.1708.04820 · pith_short_12: YODAWDCCPQVA · pith_short_16: YODAWDCCPQVAUMDH · pith_short_8: YODAWDCC

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/YODAWDCCPQVAUMDHZ7XMPQHERS \
  | 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: c3860b0c427c2a0a3067cfeec7c0e48cad06fede6e3baf5212b80dfc507963a5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e3159b9f7b6a76eaa628020caa6b6ac4f443659c1e7b629ecc18b34fa4b9900f",
    "cross_cats_sorted": [
      "cs.CG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.GR",
    "submitted_at": "2017-08-16T09:06:51Z",
    "title_canon_sha256": "b014b3268198f8e90b5b11710395442dbd546329c87bfbe753375f651c0d30c2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.04820",
    "kind": "arxiv",
    "version": 2
  }
}