Pith Number

pith:3ORHJOLL

pith:2026:3ORHJOLL5ITYP4Z72EIABWLH54

not attested not anchored not stored refs pending

Refractive index retrieval of 3D printed materials for photonic applications

Christian Johnson-Richards, Joseph Arnold Riley, Noel Healy, Victor Pacheco-Pe\~na

arxiv:2605.22270 v1 · 2026-05-21 · 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{3ORHJOLL5ITYP4Z72EIABWLH54}

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	2026-05-22T01:04:35.404460Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dba274b96bea2787f33fd11000d967ef39995e9634d41b7394ba9c83c1499160

Aliases

arxiv: 2605.22270 · arxiv_version: 2605.22270v1 · doi: 10.48550/arxiv.2605.22270 · pith_short_12: 3ORHJOLL5ITY · pith_short_16: 3ORHJOLL5ITYP4Z7 · pith_short_8: 3ORHJOLL

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/3ORHJOLL5ITYP4Z72EIABWLH54 \
  | 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: dba274b96bea2787f33fd11000d967ef39995e9634d41b7394ba9c83c1499160

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9fb8b702fbb839fdbd68f34295a0a79354496fa21a13ece2c03d54d8b0262acc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2026-05-21T10:14:41Z",
    "title_canon_sha256": "f8dce951965c819fdc28475cd19a48759b63c053c4861f51f7dfc521fbc878f5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.22270",
    "kind": "arxiv",
    "version": 1
  }
}