Pith Number

pith:IEMIPVVS

pith:2014:IEMIPVVS2BRIPMHFJXPDKHANNZ

not attested not anchored not stored refs pending

Algorithms for Convex Quadratic Programming

Philipp Hungerl\"ander

arxiv:1409.5222 v1 · 2014-09-18 · 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{IEMIPVVS2BRIPMHFJXPDKHANNZ}

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	2026-05-18T02:42:30.402867Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

411887d6b2d06287b0e54dde351c0d6e5f045e1dc7b62515b97a50c18deb509d

Aliases

arxiv: 1409.5222 · arxiv_version: 1409.5222v1 · doi: 10.48550/arxiv.1409.5222 · pith_short_12: IEMIPVVS2BRI · pith_short_16: IEMIPVVS2BRIPMHF · pith_short_8: IEMIPVVS

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/IEMIPVVS2BRIPMHFJXPDKHANNZ \
  | 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: 411887d6b2d06287b0e54dde351c0d6e5f045e1dc7b62515b97a50c18deb509d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "12f94f3c676b99387b9c5a49dcb9a8616a04dc1c7dfa350ad9de1f76c2caee41",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2014-09-18T08:18:24Z",
    "title_canon_sha256": "852a1d7fc4d4345934350457accd274a2c1d09e47fbc1114297bbc7e81b3bf9d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.5222",
    "kind": "arxiv",
    "version": 1
  }
}