Pith Number

pith:FBKCJGTQ

pith:2025:FBKCJGTQGLIHPE57TZHCQKSMNV

not attested not anchored not stored refs pending

${\varepsilon}$-optimality in reverse convex optimization

H. Sellak, M. El Maghri

arxiv:2506.00638 v1 · 2025-05-31 · 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{FBKCJGTQGLIHPE57TZHCQKSMNV}

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	2026-07-05T11:13:38.002274Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2854249a7032d07793bf9e4e282a4c6d73ccf7725b2a014324f4e1d17b599b0d

Aliases

arxiv: 2506.00638 · arxiv_version: 2506.00638v1 · doi: 10.48550/arxiv.2506.00638 · pith_short_12: FBKCJGTQGLIH · pith_short_16: FBKCJGTQGLIHPE57 · pith_short_8: FBKCJGTQ

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/FBKCJGTQGLIHPE57TZHCQKSMNV \
  | 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: 2854249a7032d07793bf9e4e282a4c6d73ccf7725b2a014324f4e1d17b599b0d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "783fa04ff17407258d8a1c5397a23778ee9e79f43126c306fb3f5e38a023739a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2025-05-31T17:02:29Z",
    "title_canon_sha256": "db5c24dac51568494b7dedcb807044aad03bc264112a073c3ea5e7432049fc55"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.00638",
    "kind": "arxiv",
    "version": 1
  }
}