Pith Number

pith:M4LP3ASW

pith:2018:M4LP3ASWDSOWZZKSP4W3ODD5TV

not attested not anchored not stored refs pending

An algorithm to compute the Hoffman constant of a system of linear constraints

Javier Pena, Juan Vera, Luis Zuluaga

arxiv:1804.08418 v1 · 2018-04-23 · 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{M4LP3ASWDSOWZZKSP4W3ODD5TV}

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	2026-05-18T00:17:48.424460Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6716fd82561c9d6ce5527f2db70c7d9d479f831e6bc2672e6c0f0c0650b39f33

Aliases

arxiv: 1804.08418 · arxiv_version: 1804.08418v1 · doi: 10.48550/arxiv.1804.08418 · pith_short_12: M4LP3ASWDSOW · pith_short_16: M4LP3ASWDSOWZZKS · pith_short_8: M4LP3ASW

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/M4LP3ASWDSOWZZKSP4W3ODD5TV \
  | 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: 6716fd82561c9d6ce5527f2db70c7d9d479f831e6bc2672e6c0f0c0650b39f33

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "962ed3b7af394b94688efa45c7d0fbe097151cf07707a33c14b19800223282e5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2018-04-23T13:41:10Z",
    "title_canon_sha256": "6d114e52094454461bbd7dd3be8724f6f0ccb696412961e0172a6eb0809c071a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.08418",
    "kind": "arxiv",
    "version": 1
  }
}