Pith Number

pith:F72DXSHC

pith:2021:F72DXSHC6R6UJOFN5IL2ABUOHV

not attested not anchored not stored refs pending

Infeasibility detection with primal-dual hybrid gradient for large-scale linear programming

David Applegate, Haihao Lu, Mateo D\'iaz, Miles Lubin

arxiv:2102.04592 v1 · 2021-02-09 · 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{F72DXSHC6R6UJOFN5IL2ABUOHV}

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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.

Cited by

1 paper in Pith

Accelerating a Linear Programming Algorithm on AMD GPUs

Receipt and verification

First computed	2026-07-05T02:14:02.219305Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2ff43bc8e2f47d44b8adea17a0068e3d401c8a7b35120b7bb94b1bd88f273dde

Aliases

arxiv: 2102.04592 · arxiv_version: 2102.04592v1 · doi: 10.48550/arxiv.2102.04592 · pith_short_12: F72DXSHC6R6U · pith_short_16: F72DXSHC6R6UJOFN · pith_short_8: F72DXSHC

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/F72DXSHC6R6UJOFN5IL2ABUOHV \
  | 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: 2ff43bc8e2f47d44b8adea17a0068e3d401c8a7b35120b7bb94b1bd88f273dde

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "00491f8343eebdc55ed30684a98ab1f3a8ed1440e9e0d933437379daa1960e8b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2021-02-09T01:08:51Z",
    "title_canon_sha256": "8aac291ab02a6f47efd22894257b2105bf1a19688c8125a237ce0c045a86af90"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.04592",
    "kind": "arxiv",
    "version": 1
  }
}