Pith Number

pith:IDE3I2FM

pith:2018:IDE3I2FMN2BTWHZK6BBR4UWFTF

not attested not anchored not stored refs pending

Matrix optimization on universal unitary photonic devices

Ben Bartlett, David A. B. Miller, Olav Solgaard, Sunil Pai

arxiv:1808.00458 v3 · 2018-08-02 · eess.SP · cs.ET · cs.NE · 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{IDE3I2FMN2BTWHZK6BBR4UWFTF}

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	2026-05-17T23:42:30.039415Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

40c9b468ac6e833b1f2af0431e52c59947af582dac3a0557c36cd4a7b6a5b939

Aliases

arxiv: 1808.00458 · arxiv_version: 1808.00458v3 · doi: 10.48550/arxiv.1808.00458 · pith_short_12: IDE3I2FMN2BT · pith_short_16: IDE3I2FMN2BTWHZK · pith_short_8: IDE3I2FM

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/IDE3I2FMN2BTWHZK6BBR4UWFTF \
  | 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: 40c9b468ac6e833b1f2af0431e52c59947af582dac3a0557c36cd4a7b6a5b939

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d08e1d9cbc1e2c7b1dd11df6bf01d36a9ff95062b7753ad00c943bad0ab074f2",
    "cross_cats_sorted": [
      "cs.ET",
      "cs.NE",
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2018-08-02T01:27:13Z",
    "title_canon_sha256": "3969f34bbf94dc9e9c04327abd6b486aa667fb90b2474ac7d232171b3fb38cab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.00458",
    "kind": "arxiv",
    "version": 3
  }
}