Pith Number

pith:ECMNOQKE

pith:2009:ECMNOQKEERE6FTINRO2XVQRXW5

not attested not anchored not stored refs pending

Compressive ghost imaging

Ori Katz, Yaron Bromberg, Yaron Silberberg

arxiv:0905.0321 v2 · 2009-05-04 · 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{ECMNOQKEERE6FTINRO2XVQRXW5}

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	2026-05-18T02:13:48.026003Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2098d741442449e2cd0d8bb57ac237b743af192ef1ed1499417fdccaf62d8c4d

Aliases

arxiv: 0905.0321 · arxiv_version: 0905.0321v2 · doi: 10.48550/arxiv.0905.0321 · pith_short_12: ECMNOQKEERE6 · pith_short_16: ECMNOQKEERE6FTIN · pith_short_8: ECMNOQKE

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/ECMNOQKEERE6FTINRO2XVQRXW5 \
  | 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: 2098d741442449e2cd0d8bb57ac237b743af192ef1ed1499417fdccaf62d8c4d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "458f9216c84a996ace9b0506bf49b588744ae745fc07bba485c39d176d1e1aa1",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2009-05-04T18:44:21Z",
    "title_canon_sha256": "6cd2f0c619741d4c433a889e3fe4328481cfcf2dbcfa0ca9f5bf34cd5d390c34"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0905.0321",
    "kind": "arxiv",
    "version": 2
  }
}