Pith Number

pith:UC5ED2BZ

pith:2021:UC5ED2BZUIV6IB2INTIGJZLH34

not attested not anchored not stored refs pending

Convex Projection and Convex Multi-Objective Optimization

Birgit Rudloff, Gabriela Kov\'a\v{c}ov\'a

arxiv:2103.04076 v2 · 2021-03-06 · 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{UC5ED2BZUIV6IB2INTIGJZLH34}

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	2026-07-05T03:22:57.710911Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a0ba41e839a22be407486cd064e567df1f80417355b831ac047aaf927b8a5c9e

Aliases

arxiv: 2103.04076 · arxiv_version: 2103.04076v2 · doi: 10.48550/arxiv.2103.04076 · pith_short_12: UC5ED2BZUIV6 · pith_short_16: UC5ED2BZUIV6IB2I · pith_short_8: UC5ED2BZ

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/UC5ED2BZUIV6IB2INTIGJZLH34 \
  | 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: a0ba41e839a22be407486cd064e567df1f80417355b831ac047aaf927b8a5c9e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "091bc784bc3c6d07b964caa3efd06b0d81a13c15c5c79004e24644c6b2780234",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2021-03-06T09:10:29Z",
    "title_canon_sha256": "3b1950633e9c84db495a8a58bfbcd69b5a46ea27e11534450c16468b14315008"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.04076",
    "kind": "arxiv",
    "version": 2
  }
}