Pith Number

pith:FZAU6LKF

pith:2016:FZAU6LKFOWL3WVXEOFBFP4VLHA

not attested not anchored not stored refs pending

Faster Projection-free Convex Optimization over the Spectrahedron

Dan Garber

arxiv:1605.06203 v1 · 2016-05-20 · math.OC · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FZAU6LKFOWL3WVXEOFBFP4VLHA}

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	2026-05-18T01:14:19.615034Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2e414f2d457597bb56e4714257f2ab38095fb48f4496fef7b10ce205c22758e5

Aliases

arxiv: 1605.06203 · arxiv_version: 1605.06203v1 · doi: 10.48550/arxiv.1605.06203 · pith_short_12: FZAU6LKFOWL3 · pith_short_16: FZAU6LKFOWL3WVXE · pith_short_8: FZAU6LKF

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/FZAU6LKFOWL3WVXEOFBFP4VLHA \
  | 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: 2e414f2d457597bb56e4714257f2ab38095fb48f4496fef7b10ce205c22758e5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "35c2ceef6a00ff56931ef099dc7cd41d927dfb0e25f51f5b8355f99108de8d50",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2016-05-20T03:07:40Z",
    "title_canon_sha256": "96843644ab72ac7fd5e54af93d6aab56a408f3a83e93431ad7a3e3614e9335ac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.06203",
    "kind": "arxiv",
    "version": 1
  }
}