Pith Number

pith:XJN6VPZP

pith:2013:XJN6VPZPHPGZWDCG5UPCST24SV

not attested not anchored not stored refs pending

Uniqueness Conditions for A Class of l0-Minimization Problems

Chunlei Xu, Yun-Bin Zhao

arxiv:1312.4280 v1 · 2013-12-16 · 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{XJN6VPZPHPGZWDCG5UPCST24SV}

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	2026-05-18T03:04:35.038959Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ba5beabf2f3bcd9b0c46ed1e294f5c954a0302efcaa9acd6b7e295c467a3c03f

Aliases

arxiv: 1312.4280 · arxiv_version: 1312.4280v1 · doi: 10.48550/arxiv.1312.4280 · pith_short_12: XJN6VPZPHPGZ · pith_short_16: XJN6VPZPHPGZWDCG · pith_short_8: XJN6VPZP

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/XJN6VPZPHPGZWDCG5UPCST24SV \
  | 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: ba5beabf2f3bcd9b0c46ed1e294f5c954a0302efcaa9acd6b7e295c467a3c03f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9e1e5b2f3b910848ee393cbadae5023c7fbe1af49add6812a6263e06820c4073",
    "cross_cats_sorted": [
      "math.IT",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2013-12-16T09:54:45Z",
    "title_canon_sha256": "eeba257d98427e94296af9562f7eaf67ab6982b4a22c4f6a7a6a9f56ccbfae1e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.4280",
    "kind": "arxiv",
    "version": 1
  }
}