Pith Number

pith:7HG4HQQW

pith:2016:7HG4HQQW6CXQVYVDGCLVHQOTM7

not attested not anchored not stored refs pending

Non-Hermitian interferometer: Unidirectional amplification without distortion

C. Li, L. Jin, Z. Song

arxiv:1611.01304 v1 · 2016-11-04 · 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{7HG4HQQW6CXQVYVDGCLVHQOTM7}

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	2026-05-18T00:49:51.308792Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f9cdc3c216f0af0ae2a3309753c1d367e542bf8498de1086e7129d7ed9128308

Aliases

arxiv: 1611.01304 · arxiv_version: 1611.01304v1 · doi: 10.48550/arxiv.1611.01304 · pith_short_12: 7HG4HQQW6CXQ · pith_short_16: 7HG4HQQW6CXQVYVD · pith_short_8: 7HG4HQQW

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/7HG4HQQW6CXQVYVDGCLVHQOTM7 \
  | 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: f9cdc3c216f0af0ae2a3309753c1d367e542bf8498de1086e7129d7ed9128308

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "661b98f761b01a0ae6c2298eac5cc8be54fe0d6261b8aa4a6b2514481daacc03",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2016-11-04T10:16:11Z",
    "title_canon_sha256": "4491a8c30da517ad711f9be714d0d1a16652c1b0116840298533ef9b5f0d1663"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.01304",
    "kind": "arxiv",
    "version": 1
  }
}