Pith Number

pith:4QREJXS7

pith:2016:4QREJXS7O5IHF6HZQAK6NXG3OI

not attested not anchored not stored refs pending

Chalcogenide glass planar MIR couplers for future chip based Bracewell interferometers

Barry Luther-Davies, Ben Eggleton, Harry-Dean Kenchington Goldsmith, John S. Lawrence, Michael Ireland, Nick Cvetojevic, Pan Ma, Peter Tuthill, Stephen J. Madden, Sukanta Debbarma

arxiv:1608.04438 v1 · 2016-08-15 · astro-ph.IM · astro-ph.EP · 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{4QREJXS7O5IHF6HZQAK6NXG3OI}

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	2026-05-18T01:08:45.158157Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e42244de5f775072f8f98015e6dcdb7210ee0d54578779e88dac58580f4c6a91

Aliases

arxiv: 1608.04438 · arxiv_version: 1608.04438v1 · doi: 10.48550/arxiv.1608.04438 · pith_short_12: 4QREJXS7O5IH · pith_short_16: 4QREJXS7O5IHF6HZ · pith_short_8: 4QREJXS7

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/4QREJXS7O5IHF6HZQAK6NXG3OI \
  | 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: e42244de5f775072f8f98015e6dcdb7210ee0d54578779e88dac58580f4c6a91

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b09b27ad25eb485027875e14452cf051d277dc92c0fa5871353fda39504d7d6e",
    "cross_cats_sorted": [
      "astro-ph.EP",
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2016-08-15T23:37:22Z",
    "title_canon_sha256": "493cead36ec39d2d49f9e0ed9572a0f39ba77430f6a75620e59385a2f067a926"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.04438",
    "kind": "arxiv",
    "version": 1
  }
}