Pith Number

pith:HELDIYES

pith:2017:HELDIYESFHOAN63VE7AJUVNN2S

not attested not anchored not stored refs pending

Direct laser written polymer waveguides with out of plane couplers for optical chips

Alexander Landowski, Artur Widera, Dominik Zepp, Georg von Freymann, Sebastian Wingerter

arxiv:1703.08488 v1 · 2017-03-24 · 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{HELDIYESFHOAN63VE7AJUVNN2S}

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	2026-05-18T00:47:59.851727Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

391634609229dc06fb7527c09a55add49f0de94a91d1e5289fbc3a77ecec331a

Aliases

arxiv: 1703.08488 · arxiv_version: 1703.08488v1 · doi: 10.48550/arxiv.1703.08488 · pith_short_12: HELDIYESFHOA · pith_short_16: HELDIYESFHOAN63V · pith_short_8: HELDIYES

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/HELDIYESFHOAN63VE7AJUVNN2S \
  | 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: 391634609229dc06fb7527c09a55add49f0de94a91d1e5289fbc3a77ecec331a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1d409057d208cbc15b279d386b24d04286ffa3bf6e5f0568ae5c7d43196431e0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2017-03-24T16:10:00Z",
    "title_canon_sha256": "032555e73f4edf7cd00e092e7c76db755d6175eaa9b0d533b2bbb79219c7f1ee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.08488",
    "kind": "arxiv",
    "version": 1
  }
}