pith. sign in
Pith Number

pith:T3CKFLOU

pith:2018:T3CKFLOUHWJ4HFVDKTQLEL2SWZ
not attested not anchored not stored refs pending

Phase Retrieval for Signals in Union of Subspaces

Chinmay Hegde, M. Salman Asif

arxiv:1807.06222 v1 · 2018-07-17 · cs.IT · math.IT

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{T3CKFLOUHWJ4HFVDKTQLEL2SWZ}

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 2026-05-18T00:10:33.662394Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

9ec4a2add43d93c396a354e0b22f52b6425f964016b64ca1b3fc9e3f62f57a67

Aliases

arxiv: 1807.06222 · arxiv_version: 1807.06222v1 · doi: 10.48550/arxiv.1807.06222 · pith_short_12: T3CKFLOUHWJ4 · pith_short_16: T3CKFLOUHWJ4HFVD · pith_short_8: T3CKFLOU
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/T3CKFLOUHWJ4HFVDKTQLEL2SWZ \
  | 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: 9ec4a2add43d93c396a354e0b22f52b6425f964016b64ca1b3fc9e3f62f57a67
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "fdb1500c5fd62a96f305a03da757542711017dbdedb4504a32ab0b5cc33be7dd",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2018-07-17T04:55:18Z",
    "title_canon_sha256": "85ae7fa97bec8400691f5e4d87166cc07313cb2ba62f3df1bcba49527ea62269"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.06222",
    "kind": "arxiv",
    "version": 1
  }
}