Pith Number

pith:EHU4FF6I

pith:2011:EHU4FF6ISQWIZT3MVASPHIZISK

not attested not anchored not stored refs pending

Specification of photonic circuits using Quantum Hardware Description Language

Armand Niederberger, Dmitri S. Pavlichin, Gopal Sarma, Hideo Mabuchi, Nikolas Tezak

arxiv:1111.3081 v1 · 2011-11-14 · quant-ph · 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{EHU4FF6ISQWIZT3MVASPHIZISK}

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	2026-05-18T01:59:39.573931Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

21e9c297c8942c8ccf6ca824f3a328929f6ef69a40c40164e33f1cf149c0bc6f

Aliases

arxiv: 1111.3081 · arxiv_version: 1111.3081v1 · doi: 10.48550/arxiv.1111.3081 · pith_short_12: EHU4FF6ISQWI · pith_short_16: EHU4FF6ISQWIZT3M · pith_short_8: EHU4FF6I

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/EHU4FF6ISQWIZT3MVASPHIZISK \
  | 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: 21e9c297c8942c8ccf6ca824f3a328929f6ef69a40c40164e33f1cf149c0bc6f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "79f42fbc79f0b1b567dd8cd749797130b2548874197b19c344fbd4416e6ea118",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2011-11-14T00:30:08Z",
    "title_canon_sha256": "bfb152b1fad004d9b86b99870f7080fec4f3364b8184f264c9a9c4cd5aaa27ba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.3081",
    "kind": "arxiv",
    "version": 1
  }
}