Pith Number

pith:SI7KAFDP

pith:2021:SI7KAFDPFNO5DAYOXDSQTPJLTQ

not attested not anchored not stored refs pending

Scattering-lens based quantum imaging beyond shot noise

Dong Li, Yao Yao

arxiv:2104.09071 v1 · 2021-04-19 · 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{SI7KAFDPFNO5DAYOXDSQTPJLTQ}

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	2026-07-05T02:32:58.754499Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

923ea0146f2b5dd1830eb8e509bd2b9c1d3c7d1f04fa755ee18d5f295aeb65c0

Aliases

arxiv: 2104.09071 · arxiv_version: 2104.09071v1 · doi: 10.48550/arxiv.2104.09071 · pith_short_12: SI7KAFDPFNO5 · pith_short_16: SI7KAFDPFNO5DAYO · pith_short_8: SI7KAFDP

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/SI7KAFDPFNO5DAYOXDSQTPJLTQ \
  | 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: 923ea0146f2b5dd1830eb8e509bd2b9c1d3c7d1f04fa755ee18d5f295aeb65c0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c7c75cd297412ea22ae03110272e2801fc698fbec509621da253dbee5243f1eb",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2021-04-19T06:35:17Z",
    "title_canon_sha256": "2b00ad9248b353c595fbc5c75ac17a1c9d4630731f3abfd18a09f451bd946320"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.09071",
    "kind": "arxiv",
    "version": 1
  }
}