Pith Number

pith:EDVNK3PM

pith:2017:EDVNK3PM6PEVBWP4CUY257UWJY

not attested not anchored not stored refs pending

Stable interior-point method for convex quadratic programming with strict error bounds

Martin Neuenhofen, Stefania Bellavia

arxiv:1711.01418 v2 · 2017-11-04 · 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{EDVNK3PM6PEVBWP4CUY257UWJY}

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	2026-05-18T00:16:14.216659Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

20ead56decf3c950d9fc1531aefe964e1164f71a4a4e95f9b3582a49a43dc7a9

Aliases

arxiv: 1711.01418 · arxiv_version: 1711.01418v2 · doi: 10.48550/arxiv.1711.01418 · pith_short_12: EDVNK3PM6PEV · pith_short_16: EDVNK3PM6PEVBWP4 · pith_short_8: EDVNK3PM

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/EDVNK3PM6PEVBWP4CUY257UWJY \
  | 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: 20ead56decf3c950d9fc1531aefe964e1164f71a4a4e95f9b3582a49a43dc7a9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "baf1a2e6fba43195e94d92198d8ee8c504c54620c8c511f9e1cb14512791898b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2017-11-04T09:44:36Z",
    "title_canon_sha256": "0d921774a32c265b3a4acfb10ad1104f2c6792a32f7fda1d6412f1c193f6a110"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.01418",
    "kind": "arxiv",
    "version": 2
  }
}