Pith Number

pith:PVQB3C6V

pith:2015:PVQB3C6V4YOS3OLCX7YZUTUIWU

not attested not anchored not stored refs pending

Guaranteed Blind Sparse Spikes Deconvolution via Lifting and Convex Optimization

Yuejie Chi

arxiv:1506.02751 v3 · 2015-06-09 · cs.IT · math.IT · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PVQB3C6V4YOS3OLCX7YZUTUIWU}

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	2026-05-18T01:14:04.143559Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7d601d8bd5e61d2db962bff19a4e88b5178bd5b3ad1bbcb2e45bc9a909fbcc97

Aliases

arxiv: 1506.02751 · arxiv_version: 1506.02751v3 · doi: 10.48550/arxiv.1506.02751 · pith_short_12: PVQB3C6V4YOS · pith_short_16: PVQB3C6V4YOS3OLC · pith_short_8: PVQB3C6V

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/PVQB3C6V4YOS3OLCX7YZUTUIWU \
  | 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: 7d601d8bd5e61d2db962bff19a4e88b5178bd5b3ad1bbcb2e45bc9a909fbcc97

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a50765716aac2a1d481e21fea10cc683bc045d5e54e0f03dde4fe8ffd1c7f6fb",
    "cross_cats_sorted": [
      "math.IT",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2015-06-09T02:31:00Z",
    "title_canon_sha256": "0479624076641576710b2f522db1794ab88d615bd07f554a677df4a286f10a29"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.02751",
    "kind": "arxiv",
    "version": 3
  }
}