Pith Number

pith:XLHYJXW2

pith:2014:XLHYJXW2P6RZ4BOB776QR4ESDO

not attested not anchored not stored refs pending

Quantum imaging by coherent enhancement

Guang Hao Low, Isaac L. Chuang, Theodore J. Yoder

arxiv:1409.7993 v1 · 2014-09-29 · 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{XLHYJXW2P6RZ4BOB776QR4ESDO}

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	2026-05-18T02:22:29.492391Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bacf84deda7fa39e05c1fffd08f0921b9aa180e8780915fe6d9592868789f5aa

Aliases

arxiv: 1409.7993 · arxiv_version: 1409.7993v1 · doi: 10.48550/arxiv.1409.7993 · pith_short_12: XLHYJXW2P6RZ · pith_short_16: XLHYJXW2P6RZ4BOB · pith_short_8: XLHYJXW2

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/XLHYJXW2P6RZ4BOB776QR4ESDO \
  | 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: bacf84deda7fa39e05c1fffd08f0921b9aa180e8780915fe6d9592868789f5aa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "00627eefccaed678ca2ed91d0a210087a9ee229035831fe0dc771dd92eabddc3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2014-09-29T04:10:22Z",
    "title_canon_sha256": "b77efb05a0f52519d267040545f2242c9801e88fdd9d5981f76fe737c79f2194"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.7993",
    "kind": "arxiv",
    "version": 1
  }
}