Pith Number

pith:NZ2Q2UQ7

pith:2009:NZ2Q2UQ7J6E5J6TVIPGYIF375N

not attested not anchored not stored refs pending

Quantum Mirrors and Crossing Symmetry as Heart of Ghost Imaging

(2) Bucharest University, Bucharest, D. B. Ion (1), Department for Nuclear Physics, Department of Fundamental Physics, L. Rusu (1) ((1) Institute for Physics, M. L. Ion (2), Nuclear Engineering, POB MG 11, POB MG 6, Romania)

arxiv:0904.4088 v1 · 2009-04-27 · 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{NZ2Q2UQ7J6E5J6TVIPGYIF375N}

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	2026-05-18T02:13:57.203433Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6e750d521f4f89d4fa7543cd84177feb68906d3303735bf155e3c98ca363efb7

Aliases

arxiv: 0904.4088 · arxiv_version: 0904.4088v1 · doi: 10.48550/arxiv.0904.4088 · pith_short_12: NZ2Q2UQ7J6E5 · pith_short_16: NZ2Q2UQ7J6E5J6TV · pith_short_8: NZ2Q2UQ7

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/NZ2Q2UQ7J6E5J6TVIPGYIF375N \
  | 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: 6e750d521f4f89d4fa7543cd84177feb68906d3303735bf155e3c98ca363efb7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "71cd0e16600a59c33d97ff7878601171468a51f80adf6d3665202b4f9faf451e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2009-04-27T05:58:30Z",
    "title_canon_sha256": "751b596bd3f9687387b096820c6628e091fb72f944f236227672855e699a7834"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.4088",
    "kind": "arxiv",
    "version": 1
  }
}