Pith Number

pith:UZSPYHXB

pith:2022:UZSPYHXB7LKPU7INTG6J6FGQCV

not attested not anchored not stored refs pending

A modularized algorithmic framework for interface related optimization problems using characteristic functions

Dong Wang, Jin Zhang, Shangzhi Zeng

arxiv:2206.01876 v2 · 2022-06-04 · 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{UZSPYHXB7LKPU7INTG6J6FGQCV}

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	2026-07-05T07:55:56.190621Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a664fc1ee1fad4fa7d0d99bc9f14d015570fef3a09dea85d589715d2d4bc41c3

Aliases

arxiv: 2206.01876 · arxiv_version: 2206.01876v2 · doi: 10.48550/arxiv.2206.01876 · pith_short_12: UZSPYHXB7LKP · pith_short_16: UZSPYHXB7LKPU7IN · pith_short_8: UZSPYHXB

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/UZSPYHXB7LKPU7INTG6J6FGQCV \
  | 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: a664fc1ee1fad4fa7d0d99bc9f14d015570fef3a09dea85d589715d2d4bc41c3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a1ee9935e9551dffc76f9f457e68520bdb043045fe29ba09356a5e5e3791553e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2022-06-04T02:11:39Z",
    "title_canon_sha256": "a461c7d750f165463685183c42cb4667733e3d95c2830d66a16d76e2834e21a7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2206.01876",
    "kind": "arxiv",
    "version": 2
  }
}