Pith Number

pith:JD5NEGTE

pith:2015:JD5NEGTEJ4N7JSCMVJO25M4VSQ

not attested not anchored not stored refs pending

Deterministic Construction of RIP Matrices in Compressed Sensing from Constant Weight Codes

Hao Chen, Liqing Xu

arxiv:1506.02568 v2 · 2015-06-08 · 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{JD5NEGTEJ4N7JSCMVJO25M4VSQ}

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	2026-05-18T01:51:49.158866Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

48fad21a644f1bf4c84caa5daeb39594211e51a03b4bda6f996ed83adbc287f4

Aliases

arxiv: 1506.02568 · arxiv_version: 1506.02568v2 · doi: 10.48550/arxiv.1506.02568 · pith_short_12: JD5NEGTEJ4N7 · pith_short_16: JD5NEGTEJ4N7JSCM · pith_short_8: JD5NEGTE

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/JD5NEGTEJ4N7JSCMVJO25M4VSQ \
  | 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: 48fad21a644f1bf4c84caa5daeb39594211e51a03b4bda6f996ed83adbc287f4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "db18d883fb2b5f80f9c2b7c01b98d6ec6bbd1e1643f3647382f742ad8cf2c9ae",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2015-06-08T16:15:16Z",
    "title_canon_sha256": "1dffc622416979a87d53c5a9f1fb2cc19a3702c0b6750bc8c9c819f38334a96c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.02568",
    "kind": "arxiv",
    "version": 2
  }
}