Pith Number

pith:RRLLGQ4F

pith:2019:RRLLGQ4FGCBV7CMHN2WVP6Z77A

not attested not anchored not stored refs pending

Exact formula for the second-order tangent set of the second-order cone complementarity set

Jane J. Ye, Jein-Shan Chen, Jinchuan Zhou, Jin Zhang

arxiv:1906.09976 v1 · 2019-06-24 · 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{RRLLGQ4FGCBV7CMHN2WVP6Z77A}

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	2026-05-17T23:42:35.878341Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8c56b3438530835f89876ead57fb3ff8124069cf2fb7e9f4fdd821ce894aeaf4

Aliases

arxiv: 1906.09976 · arxiv_version: 1906.09976v1 · doi: 10.48550/arxiv.1906.09976 · pith_short_12: RRLLGQ4FGCBV · pith_short_16: RRLLGQ4FGCBV7CMH · pith_short_8: RRLLGQ4F

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/RRLLGQ4FGCBV7CMHN2WVP6Z77A \
  | 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: 8c56b3438530835f89876ead57fb3ff8124069cf2fb7e9f4fdd821ce894aeaf4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "01720b6078cf6c4d2561ec6b00ba426f285066f43fd4aeb95d6d9c277e2de73a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2019-06-24T14:09:30Z",
    "title_canon_sha256": "0713ce316fd7a214986933bd85fa80353c97f0d8b804cc06494c9ed1c57918ca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.09976",
    "kind": "arxiv",
    "version": 1
  }
}