Pith Number

pith:C4GDMGNB

pith:2008:C4GDMGNB2PB5OL4C44DN7RRCXX

not attested not anchored not stored refs pending

Ghost imaging with a single detector

Ori Katz, Yaron Bromberg, Yaron Silberberg

arxiv:0812.2633 v2 · 2008-12-14 · quant-ph · physics.optics

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{C4GDMGNB2PB5OL4C44DN7RRCXX}

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	2026-05-18T02:15:10.423649Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

170c3619a1d3c3d72f82e706dfc622bde305ef2febc753a8d559b0f137961e8f

Aliases

arxiv: 0812.2633 · arxiv_version: 0812.2633v2 · doi: 10.48550/arxiv.0812.2633 · pith_short_12: C4GDMGNB2PB5 · pith_short_16: C4GDMGNB2PB5OL4C · pith_short_8: C4GDMGNB

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/C4GDMGNB2PB5OL4C44DN7RRCXX \
  | 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: 170c3619a1d3c3d72f82e706dfc622bde305ef2febc753a8d559b0f137961e8f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2082f523f9914c6c03736d5b63d548e9e9e593ea25d6164fb0ad8b30876de8d3",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2008-12-14T19:39:19Z",
    "title_canon_sha256": "b9f216a5e209b2dcd2869f248e44ede2461b010cbe2af948c268d6f5d45d9b06"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0812.2633",
    "kind": "arxiv",
    "version": 2
  }
}