Pith Number

pith:JMUUVZOM

pith:2015:JMUUVZOMNH5C4RHJMD5XF6HTBY

not attested not anchored not stored refs pending

Nonconvex set intersection problems: From projection methods to the Newton method for super-regular sets

C.H. Jeffrey Pang

arxiv:1506.08246 v1 · 2015-06-27 · 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{JMUUVZOMNH5C4RHJMD5XF6HTBY}

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	2026-05-18T01:37:46.948501Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4b294ae5cc69fa2e44e960fb72f8f30e2df78db735b131179dc64cb5f78a45df

Aliases

arxiv: 1506.08246 · arxiv_version: 1506.08246v1 · doi: 10.48550/arxiv.1506.08246 · pith_short_12: JMUUVZOMNH5C · pith_short_16: JMUUVZOMNH5C4RHJ · pith_short_8: JMUUVZOM

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/JMUUVZOMNH5C4RHJMD5XF6HTBY \
  | 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: 4b294ae5cc69fa2e44e960fb72f8f30e2df78db735b131179dc64cb5f78a45df

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b76c85b44f8dacef8486b59e226191a9fa6a4bfd095f96e52ef79a8954045738",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2015-06-27T00:59:32Z",
    "title_canon_sha256": "8fd952d2b037937417038f6844a0060e63018556a488920c50f7102b32856646"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.08246",
    "kind": "arxiv",
    "version": 1
  }
}