Pith Number

pith:UGZRV2O6

pith:2026:UGZRV2O62B2CEDZMZYBYEJA3VE

not attested not anchored not stored refs pending

Photo-birefringent effects in crystalline AlGaAs mirror coatings

Chun Yu Ma, Daniele Nicolodi, Fritz Riehle, Jialiang Yu, Mona Kempkes, Sofia Herbers, Thomas Legero, Uwe Sterr

arxiv:2602.04724 v2 · 2026-02-04 · 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{UGZRV2O62B2CEDZMZYBYEJA3VE}

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	2026-07-02T01:18:06.800037Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a1b31ae9ded074220f2cce0382241ba91369db00fe33ca5004bedc27bfb23198

Aliases

arxiv: 2602.04724 · arxiv_version: 2602.04724v2 · doi: 10.48550/arxiv.2602.04724 · pith_short_12: UGZRV2O62B2C · pith_short_16: UGZRV2O62B2CEDZM · pith_short_8: UGZRV2O6

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/UGZRV2O62B2CEDZMZYBYEJA3VE \
  | 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: a1b31ae9ded074220f2cce0382241ba91369db00fe33ca5004bedc27bfb23198

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fd88096e1bf58cd5481405d18bb33f106fb721c24a6ebeb4a9c2aa85c801e1af",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2026-02-04T16:32:17Z",
    "title_canon_sha256": "3180f8e7b1969366f30930c39a2867bb637a622c6885b262a717a291c5d739aa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2602.04724",
    "kind": "arxiv",
    "version": 2
  }
}