Pith Number

pith:Y4ID7N2I

pith:2015:Y4ID7N2IZWPGBO7664LLTNEF5R

not attested not anchored not stored refs pending

A Class of Deterministic Sensing Matrices and Their Application in Harmonic Detection

Haijian Zhang, Hong Sun, Lei Yu, Shan Huang

arxiv:1509.02628 v1 · 2015-09-09 · 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{Y4ID7N2IZWPGBO7664LLTNEF5R}

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	2026-05-18T01:33:34.518078Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c7103fb748cd9e60bbfef716b9b485ec47e223d9f6c833c34c022c6098dc7c44

Aliases

arxiv: 1509.02628 · arxiv_version: 1509.02628v1 · doi: 10.48550/arxiv.1509.02628 · pith_short_12: Y4ID7N2IZWPG · pith_short_16: Y4ID7N2IZWPGBO76 · pith_short_8: Y4ID7N2I

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/Y4ID7N2IZWPGBO7664LLTNEF5R \
  | 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: c7103fb748cd9e60bbfef716b9b485ec47e223d9f6c833c34c022c6098dc7c44

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5f0127eb41791b43f1622e8c6b01345212d1ba272d1a6c7ad8c8d0d95312df7e",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2015-09-09T03:54:37Z",
    "title_canon_sha256": "584749c6328bb68592779beb91882ce3403c6f33fa3b05eebcd593e256c9d11c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.02628",
    "kind": "arxiv",
    "version": 1
  }
}