Pith Number

pith:CWKMETAT

pith:2018:CWKMETATHOCRV6IRRVZ5LPCBV5

not attested not anchored not stored refs pending

Subdifferentiable functions and partial data communication in a distributed deterministic asynchronous Dykstra's algorithm

C.H. Jeffrey Pang

arxiv:1806.07734 v2 · 2018-06-20 · 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{CWKMETATHOCRV6IRRVZ5LPCBV5}

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	2026-05-18T00:07:32.389608Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1594c24c133b851af9118d73d5bc41af51ddbfc4f9a2a48868192501182667d1

Aliases

arxiv: 1806.07734 · arxiv_version: 1806.07734v2 · doi: 10.48550/arxiv.1806.07734 · pith_short_12: CWKMETATHOCR · pith_short_16: CWKMETATHOCRV6IR · pith_short_8: CWKMETAT

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/CWKMETATHOCRV6IRRVZ5LPCBV5 \
  | 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: 1594c24c133b851af9118d73d5bc41af51ddbfc4f9a2a48868192501182667d1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8cb675e2ff42817894bd354cab9bb8d413320c98640939dcf4ef99cfb72c9b4d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2018-06-20T13:54:58Z",
    "title_canon_sha256": "8c1023e5b8f374ba697b949d4b8242d55e232558d816eb0ba5d3c9195971a751"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.07734",
    "kind": "arxiv",
    "version": 2
  }
}