Pith Number

pith:7CKYEFGC

pith:2017:7CKYEFGCM4V53QY3YG4BVQWFPJ

not attested not anchored not stored refs pending

Measurement Matrix Design for Phase Retrieval Based on Mutual Information

Nir Shlezinger, Ron Dabora, Yonina C. Eldar

arxiv:1704.08021 v3 · 2017-04-26 · cs.IT · math.IT

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7CKYEFGCM4V53QY3YG4BVQWFPJ}

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	2026-05-18T00:23:39.299724Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f8958214c2672bddc31bc1b81ac2c57a5de654da7eee9eff9d9d4b1a0d9ae9e9

Aliases

arxiv: 1704.08021 · arxiv_version: 1704.08021v3 · doi: 10.48550/arxiv.1704.08021 · pith_short_12: 7CKYEFGCM4V5 · pith_short_16: 7CKYEFGCM4V53QY3 · pith_short_8: 7CKYEFGC

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/7CKYEFGCM4V53QY3YG4BVQWFPJ \
  | 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: f8958214c2672bddc31bc1b81ac2c57a5de654da7eee9eff9d9d4b1a0d9ae9e9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "799e320c82c07184283312a474764cb039cd7163c1d5211b9c552ab281c86f64",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-04-26T09:08:43Z",
    "title_canon_sha256": "4dd2b1a4faaed834e3c916a5134a71644ad2e9815887f87fc66d0e835d69a9ca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.08021",
    "kind": "arxiv",
    "version": 3
  }
}