Pith Number

pith:DNL2XRHK

pith:2008:DNL2XRHKUVJX6I4TNOPX2Y2QG5

not attested not anchored not stored refs pending

Systematic study of the PDC speckle structure for quantum imaging applications

A.Meda, E. Predazzi, G.Brida, I.Ruo-Berchera, M.Genovese

arxiv:0802.2672 v2 · 2008-02-19 · 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{DNL2XRHKUVJX6I4TNOPX2Y2QG5}

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	2026-05-18T02:16:01.002544Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1b57abc4eaa5537f23936b9f7d63503764849a01c6b9c10aa2524429c8d5fca8

Aliases

arxiv: 0802.2672 · arxiv_version: 0802.2672v2 · doi: 10.48550/arxiv.0802.2672 · pith_short_12: DNL2XRHKUVJX · pith_short_16: DNL2XRHKUVJX6I4T · pith_short_8: DNL2XRHK

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/DNL2XRHKUVJX6I4TNOPX2Y2QG5 \
  | 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: 1b57abc4eaa5537f23936b9f7d63503764849a01c6b9c10aa2524429c8d5fca8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ae721849b854ed6aa1cde5b91f2720db2a87a0cedd6b3133e3a334fcd5892e4b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2008-02-19T15:43:18Z",
    "title_canon_sha256": "414fbb210b75ceb33c7a6deddcb16bc1f9e23b4fdbccc8d3734e0e829ff55694"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0802.2672",
    "kind": "arxiv",
    "version": 2
  }
}