Pith Number

pith:BZCAIZJ4

pith:2016:BZCAIZJ4SDB5PU6GJ5V3WTOXFT

not attested not anchored not stored refs pending

A Two-Stage Active-Set Algorithm for Bound-Constrained Optimization

Andrea Cristofari, Francesco Rinaldi, Marianna De Santis, Stefano Lucidi

arxiv:1607.08498 v6 · 2016-07-28 · 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{BZCAIZJ4SDB5PU6GJ5V3WTOXFT}

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	2026-05-18T01:00:05.550417Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0e4404653c90c3d7d3c64f6bbb4dd72ce4c51f833c88a265782e82bc782507cf

Aliases

arxiv: 1607.08498 · arxiv_version: 1607.08498v6 · doi: 10.48550/arxiv.1607.08498 · pith_short_12: BZCAIZJ4SDB5 · pith_short_16: BZCAIZJ4SDB5PU6G · pith_short_8: BZCAIZJ4

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/BZCAIZJ4SDB5PU6GJ5V3WTOXFT \
  | 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: 0e4404653c90c3d7d3c64f6bbb4dd72ce4c51f833c88a265782e82bc782507cf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cdf5511f9c5169f947374bb8bc7e585df838318fe106c42b70428a108917343a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2016-07-28T15:16:27Z",
    "title_canon_sha256": "f1a2865fc129e15633336e10a2994dd0121c615692184fe557b6451ed51c1fdf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.08498",
    "kind": "arxiv",
    "version": 6
  }
}