Pith Number

pith:TQE3GRII

pith:2026:TQE3GRIIZSDDHRMHCICKN23EOJ

not attested not anchored not stored refs pending

Using a Digital Twin for Fringe Projection Profilometry Optimisation

D. Weston, G. S. D. Gordon, S. Piano, X. Kong

arxiv:2605.18545 v1 · 2026-05-18 · physics.optics · eess.IV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TQE3GRIIZSDDHRMHCICKN23EOJ}

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	2026-05-20T00:06:06.961825Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9c09b34508cc8633c5871204a6eb64727e23e9f0bf41af75d5343c24abb46ef2

Aliases

arxiv: 2605.18545 · arxiv_version: 2605.18545v1 · doi: 10.48550/arxiv.2605.18545 · pith_short_12: TQE3GRIIZSDD · pith_short_16: TQE3GRIIZSDDHRMH · pith_short_8: TQE3GRII

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/TQE3GRIIZSDDHRMHCICKN23EOJ \
  | 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: 9c09b34508cc8633c5871204a6eb64727e23e9f0bf41af75d5343c24abb46ef2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d80c310b26aae356603b4b0802928f19d23f867103d6fdb6a92b8fc7404502dd",
    "cross_cats_sorted": [
      "eess.IV"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2026-05-18T15:24:39Z",
    "title_canon_sha256": "757ab9ff8915953df56b8a435f03f66e3af2c6834349fe002630e750aec6eafb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.18545",
    "kind": "arxiv",
    "version": 1
  }
}