Pith Number

pith:GBSPUSQ7

pith:2014:GBSPUSQ73QLX6BVPK7KBLYUN3K

not attested not anchored not stored refs pending

Experimental Implementation of a Quantum Optical State Comparison Amplifier

Electra Eleftheriadou, Gerald S. Buller, John Jeffers, Robert J. Collins, Ross J. Donaldson, Stephen M. Barnett

arxiv:1404.4277 v1 · 2014-04-16 · 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{GBSPUSQ73QLX6BVPK7KBLYUN3K}

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	2026-05-18T02:20:00.087135Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3064fa4a1fdc177f06af57d415e28dda88fef7f7470c8aa51c884e4b786788d0

Aliases

arxiv: 1404.4277 · arxiv_version: 1404.4277v1 · doi: 10.48550/arxiv.1404.4277 · pith_short_12: GBSPUSQ73QLX · pith_short_16: GBSPUSQ73QLX6BVP · pith_short_8: GBSPUSQ7

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/GBSPUSQ73QLX6BVPK7KBLYUN3K \
  | 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: 3064fa4a1fdc177f06af57d415e28dda88fef7f7470c8aa51c884e4b786788d0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a01ecacf9f18082b880db86278726fd03f67c503dca03daf1195544908a22f51",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2014-04-16T15:02:22Z",
    "title_canon_sha256": "91ed22d66baed4c0cccb3f2f422d51edc2a399be32cae338f9c9dfb5a85414ac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.4277",
    "kind": "arxiv",
    "version": 1
  }
}