Pith Number

pith:Q6YFQZTK

pith:2026:Q6YFQZTKBOG3VFJ6X4T3THS3T6

not attested not anchored not stored refs pending

A Differentiable Interior-Point Method in Single Precision

Jon Arrizabalaga, Kevin Tracy, Zachary Manchester

arxiv:2605.17913 v1 · 2026-05-18 · 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{Q6YFQZTKBOG3VFJ6X4T3THS3T6}

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	2026-05-20T00:05:05.608880Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

87b058666a0b8dba953ebf27b99e5b9f9b252153b939c8293361d1b872f7622f

Aliases

arxiv: 2605.17913 · arxiv_version: 2605.17913v1 · doi: 10.48550/arxiv.2605.17913 · pith_short_12: Q6YFQZTKBOG3 · pith_short_16: Q6YFQZTKBOG3VFJ6 · pith_short_8: Q6YFQZTK

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/Q6YFQZTKBOG3VFJ6X4T3THS3T6 \
  | 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: 87b058666a0b8dba953ebf27b99e5b9f9b252153b939c8293361d1b872f7622f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "28e8fb60b8c510c981747896ff41a5d0e691a628281af1868d876133a37699a6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2026-05-18T06:21:39Z",
    "title_canon_sha256": "b470868b50d6485bdf973e5e0f698c9267f3ef1556ec9baf159538632e2e4182"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.17913",
    "kind": "arxiv",
    "version": 1
  }
}