Pith Number

pith:ENGUCY6Y

pith:2025:ENGUCY6Y5BQ2HVM2BM66UH4OWR

not attested not anchored not stored refs pending

Wave-particle duality ellipse and application in quantum imaging with undetected photons

Pawan Khatiwada, Xiao-Feng Qian

arxiv:2505.21443 v2 · 2025-05-27 · 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{ENGUCY6Y5BQ2HVM2BM66UH4OWR}

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	2026-07-05T11:33:51.652136Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

234d4163d8e861a3d59a0b3dea1f8eb461a4236c5d417f7b2797690d89671ba2

Aliases

arxiv: 2505.21443 · arxiv_version: 2505.21443v2 · doi: 10.48550/arxiv.2505.21443 · pith_short_12: ENGUCY6Y5BQ2 · pith_short_16: ENGUCY6Y5BQ2HVM2 · pith_short_8: ENGUCY6Y

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/ENGUCY6Y5BQ2HVM2BM66UH4OWR \
  | 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: 234d4163d8e861a3d59a0b3dea1f8eb461a4236c5d417f7b2797690d89671ba2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eafdfb6dd6ba5cd6ddcdcd7a2ff606c52e7b4c95061ffd97ca649429b80c5a3b",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-05-27T17:15:59Z",
    "title_canon_sha256": "30dd6d5efbfa7b465bb2850772081776ba351fdd7da28d7431fd2e0e3604af0d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.21443",
    "kind": "arxiv",
    "version": 2
  }
}