Pith Number

pith:AIAL5IQT

pith:2016:AIAL5IQTDLFYSXSJWIDA5YH4O3

not attested not anchored not stored refs pending

An Optimal Design for Universal Multiport Interferometers

Benjamin J. Metcalf, Ian A. Walmsley, Peter C. Humphreys, William R. Clements, W. Steven Kolthammer

arxiv:1603.08788 v2 · 2016-03-29 · physics.optics · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AIAL5IQTDLFYSXSJWIDA5YH4O3}

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	2026-05-18T00:51:07.351153Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0200bea2131acb895e49b2060ee0fc76e2cb6ccebbab0832770396844dfa278e

Aliases

arxiv: 1603.08788 · arxiv_version: 1603.08788v2 · doi: 10.48550/arxiv.1603.08788 · pith_short_12: AIAL5IQTDLFY · pith_short_16: AIAL5IQTDLFYSXSJ · pith_short_8: AIAL5IQT

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/AIAL5IQTDLFYSXSJWIDA5YH4O3 \
  | 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: 0200bea2131acb895e49b2060ee0fc76e2cb6ccebbab0832770396844dfa278e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "14e10fb1dc01c06b4b026471dce491a9a66fb1bd2869b3e43fda46ac0b0f4803",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2016-03-29T14:28:21Z",
    "title_canon_sha256": "8c783683b88c9477524625265761b55438ace9689e8b0ab490c1cc0d5cea1627"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.08788",
    "kind": "arxiv",
    "version": 2
  }
}