Pith Number

pith:H4TAA3IM

pith:2017:H4TAA3IMXYRYTGN2MFFZCD2QXW

not attested not anchored not stored refs pending

Alternating minimization and alternating descent over nonconvex sets

Rina Foygel Barber, Wooseok Ha

arxiv:1709.04451 v3 · 2017-09-13 · math.OC · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{H4TAA3IMXYRYTGN2MFFZCD2QXW}

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	2026-05-17T23:52:55.995949Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3f26006d0cbe238999ba614b910f50bdb21674e7b6cdc7881bdcc3c967edc0aa

Aliases

arxiv: 1709.04451 · arxiv_version: 1709.04451v3 · doi: 10.48550/arxiv.1709.04451 · pith_short_12: H4TAA3IMXYRY · pith_short_16: H4TAA3IMXYRYTGN2 · pith_short_8: H4TAA3IM

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/H4TAA3IMXYRYTGN2MFFZCD2QXW \
  | 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: 3f26006d0cbe238999ba614b910f50bdb21674e7b6cdc7881bdcc3c967edc0aa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "614e2ad273cc80d0581e9bf64a3eee05d0a555c642eb9634267d91a522bbd842",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2017-09-13T17:53:44Z",
    "title_canon_sha256": "f4db6c8c7f146999aaa86c52d3cf3fbbd0f387e80533e8d0a212873695bd3ad8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.04451",
    "kind": "arxiv",
    "version": 3
  }
}