Pith Number

pith:RSPQQDLY

pith:2010:RSPQQDLYMIYT325U2ALGX3FEFF

not attested not anchored not stored refs pending

Sparse Support Recovery with Phase-Only Measurements

Fei Wen, Jia Xu, Qun Wan, Yingning Peng, Yipeng Liu

arxiv:1005.1801 v2 · 2010-05-11 · cs.IT · math.IT · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RSPQQDLYMIYT325U2ALGX3FEFF}

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	2026-05-18T04:19:43.764483Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8c9f080d7862313debb4d0166beca429533f970e47d3b627e9c99e08b5a7c467

Aliases

arxiv: 1005.1801 · arxiv_version: 1005.1801v2 · doi: 10.48550/arxiv.1005.1801 · pith_short_12: RSPQQDLYMIYT · pith_short_16: RSPQQDLYMIYT325U · pith_short_8: RSPQQDLY

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/RSPQQDLYMIYT325U2ALGX3FEFF \
  | 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: 8c9f080d7862313debb4d0166beca429533f970e47d3b627e9c99e08b5a7c467

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7d52c13ecd6f2cc93f4ea94dc91afb918dcb0ae9ff8d7c0b08044739b0c2ef07",
    "cross_cats_sorted": [
      "math.IT",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2010-05-11T11:35:02Z",
    "title_canon_sha256": "e53692aa75dc70910b355267a768ada6b32da8794098ed57ac89bd1dec217e47"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1005.1801",
    "kind": "arxiv",
    "version": 2
  }
}