Pith Number

pith:4SQVMA73

pith:2017:4SQVMA73HC3KH3WQLIRSUBRKLO

not attested not anchored not stored refs pending

Ellipsoid Method for Linear Programming made simple

Sanjeev Saxena

arxiv:1712.04637 v1 · 2017-12-13 · cs.DS

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4SQVMA73HC3KH3WQLIRSUBRKLO}

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	2026-05-18T00:28:03.950932Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e4a15603fb38b6a3eed05a232a062a5b892ec814041b8ffe1eeea381f2b675aa

Aliases

arxiv: 1712.04637 · arxiv_version: 1712.04637v1 · doi: 10.48550/arxiv.1712.04637 · pith_short_12: 4SQVMA73HC3K · pith_short_16: 4SQVMA73HC3KH3WQ · pith_short_8: 4SQVMA73

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/4SQVMA73HC3KH3WQLIRSUBRKLO \
  | 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: e4a15603fb38b6a3eed05a232a062a5b892ec814041b8ffe1eeea381f2b675aa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "136b02045c240816704c3d6afe4f515695894f644fd80ca9be2a4b66cabce85b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2017-12-13T07:35:17Z",
    "title_canon_sha256": "b71ea33e93751e87ed6653aa3c086926e1b6b671a409c7f95f83a669bba9f062"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.04637",
    "kind": "arxiv",
    "version": 1
  }
}