Pith Number

pith:E7U7XS32

pith:2006:E7U7XS32ZWIZLL6DQTTBPC6YYD

not attested not anchored not stored refs pending

Quantum limits in image processing

Claude Fabre (LKB - Jussieu), Hans A. Bachor (ACQAO), LKB - Jussieu), Nicolas Treps (LKB - Jussieu), Philippe R\'efr\'egier (IF), Vincent Delaubert (ACQAO

arxiv:quant-ph/0609188 v1 · 2006-09-25 · 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{E7U7XS32ZWIZLL6DQTTBPC6YYD}

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	2026-05-18T01:08:45.439891Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

27e9fbcb7acd9195afc384e6178bd8c0dfa8b9672b3d1f8a9d4b76970e0bfd7d

Aliases

arxiv: quant-ph/0609188 · arxiv_version: quant-ph/0609188v1 · doi: 10.48550/arxiv.quant-ph/0609188 · pith_short_12: E7U7XS32ZWIZ · pith_short_16: E7U7XS32ZWIZLL6D · pith_short_8: E7U7XS32

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/E7U7XS32ZWIZLL6DQTTBPC6YYD \
  | 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: 27e9fbcb7acd9195afc384e6178bd8c0dfa8b9672b3d1f8a9d4b76970e0bfd7d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0c2c208527da02fd75ea7251fd9844014d86a65cc25833c60cdc8cadd12b480a",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2006-09-25T08:57:20Z",
    "title_canon_sha256": "d3bd921a7476fdd7c6e5380095a64463f85c32ef4b1288b56231ef2818b47342"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0609188",
    "kind": "arxiv",
    "version": 1
  }
}