Pith Number

pith:5H5SFYWK

pith:2019:5H5SFYWKX2EZRMX24XZDURMD55

not attested not anchored not stored refs pending

Almost surely constrained convex optimization

Ahmet Alacaoglu, Ion Necoara, Olivier Fercoq, Volkan Cevher

arxiv:1902.00126 v1 · 2019-01-31 · 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{5H5SFYWKX2EZRMX24XZDURMD55}

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	2026-05-17T23:54:58.208507Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e9fb22e2cabe8998b2fae5f23a4583ef78e86f2f652c6182277f4cc18acc0611

Aliases

arxiv: 1902.00126 · arxiv_version: 1902.00126v1 · doi: 10.48550/arxiv.1902.00126 · pith_short_12: 5H5SFYWKX2EZ · pith_short_16: 5H5SFYWKX2EZRMX2 · pith_short_8: 5H5SFYWK

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/5H5SFYWKX2EZRMX24XZDURMD55 \
  | 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: e9fb22e2cabe8998b2fae5f23a4583ef78e86f2f652c6182277f4cc18acc0611

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7c572e6f2cdf62178cead83d5ae8500a15dffb115060276ffc39327311d793d7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2019-01-31T23:30:19Z",
    "title_canon_sha256": "045b7b9b96256a385911ee1dc64c720313556af2d4a2fec47f2dea88b9f30ecf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.00126",
    "kind": "arxiv",
    "version": 1
  }
}