Pith Number

pith:OPA42CFL

pith:2018:OPA42CFL3YNAMCOCBTD4EC6JAR

not attested not anchored not stored refs pending

Quantum limited super-localization and super-resolution of a source pair in three dimensions

Sudhakar Prasad, Zhixian Yu

arxiv:1807.09853 v2 · 2018-07-25 · 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{OPA42CFL3YNAMCOCBTD4EC6JAR}

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	2026-05-17T23:52:41.463380Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

73c1cd08abde1a0609c20cc7c20bc90456f38f48e98ca7aa2582138dd36462b0

Aliases

arxiv: 1807.09853 · arxiv_version: 1807.09853v2 · doi: 10.48550/arxiv.1807.09853 · pith_short_12: OPA42CFL3YNA · pith_short_16: OPA42CFL3YNAMCOC · pith_short_8: OPA42CFL

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/OPA42CFL3YNAMCOCBTD4EC6JAR \
  | 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: 73c1cd08abde1a0609c20cc7c20bc90456f38f48e98ca7aa2582138dd36462b0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "10a3889e7ac0487205b37a39a3dac2ea960a61a03ff9bdcb36465386646acc54",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-07-25T20:56:27Z",
    "title_canon_sha256": "d7898a65b23b8abf909d151750f6784455cb00bd0063ee721b066de8f727c67a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.09853",
    "kind": "arxiv",
    "version": 2
  }
}